

Dr. Carleen Eaton
Elements, Compounds, and Chemical Bonds
Slide Duration:Table of Contents
Section 1: Chemistry of Life
Elements, Compounds, and Chemical Bonds
56m 18s
- Intro0:00
- Elements0:09
- Elements0:48
- Matter0:55
- Naturally Occurring Elements1:12
- Atomic Number and Atomic Mass2:39
- Compounds3:06
- Molecule3:07
- Compounds3:14
- Examples3:20
- Atoms4:53
- Atoms4:56
- Protons, Neutrons, and Electrons5:29
- Isotopes10:42
- Energy Levels of Electrons13:01
- Electron Shells13:13
- Valence Shell13:22
- Example: Electron Shells and Potential Energy13:28
- Covalent Bonds19:52
- Covalent Bonds19:54
- Examples20:03
- Polar and Nonpolar Covalent Bonds23:54
- Polar Bond24:07
- Nonpolar Bonds24:17
- Examples24:25
- Ionic Bonds29:04
- Ionic Bond, Cations, Anions29:19
- Example: NaCl29:30
- Hydrogen Bond33:18
- Hydrogen Bond33:20
- Chemical Reactions35:36
- Example: Reactants, Products and Chemical Reactions35:45
- Molecular Mass and Molar Concentration38:45
- Avogadro's Number and Mol39:12
- Examples: Molecular Mass and Molarity42:10
- Example 1: Proton, Neutrons and Electrons47:05
- Example 2: Reactants and Products49:35
- Example 3: Bonding52:39
- Example 4: Mass53:59
Properties of Water
50m 23s
- Intro0:00
- Molecular Structure of Water0:21
- Molecular Structure of Water0:27
- Properties of Water4:30
- Cohesive4:55
- Transpiration5:29
- Adhesion6:20
- Surface Tension7:17
- Properties of Water, cont.9:14
- Specific Heat9:25
- High Heat Capacity13:24
- High Heat of Evaporation16:42
- Water as a Solvent21:13
- Solution21:28
- Solvent21:48
- Example: Water as a Solvent22:22
- Acids and Bases25:40
- Example25:41
- pH36:30
- pH Scale: Acidic, Neutral, and Basic36:35
- Example 1: Molecular Structure and Properties of Water41:18
- Example 2: Special Properties of Water42:53
- Example 3: pH Scale44:46
- Example 4: Acids and Bases46:19
Organic Compounds
53m 54s
- Intro0:00
- Organic Compounds0:09
- Organic Compounds0:11
- Inorganic Compounds0:15
- Examples: Organic Compounds1:15
- Isomers5:52
- Isomers5:55
- Structural Isomers6:23
- Geometric Isomers8:14
- Enantiomers9:55
- Functional Groups12:46
- Examples: Functional Groups12:59
- Amino Group13:51
- Carboxyl Group14:38
- Hydroxyl Group15:22
- Methyl Group16:14
- Carbonyl Group16:30
- Phosphate Group17:51
- Carbohydrates18:26
- Carbohydrates19:07
- Example: Monosaccharides21:12
- Carbohydrates, cont.24:11
- Disaccharides, Polysaccharides and Examples24:21
- Lipids35:52
- Examples of Lipids36:04
- Saturated and Unsaturated38:57
- Phospholipids43:26
- Phospholipids43:29
- Example43:34
- Steroids46:24
- Cholesterol46:28
- Example 1: Isomers48:11
- Example 2: Functional Groups50:45
- Example 3: Galactose, Ketose, and Aldehyde Sugar52:24
- Example 4: Class of Molecules53:06
Nucleic Acids and Proteins
37m 23s
- Intro0:00
- Nucleic Acids0:09
- Deoxyribonucleic Acid (DNA) and Ribonucleic Acid (RNA)0:29
- Nucleic Acids, cont.2:56
- Purines3:10
- Pyrimidines3:32
- Double Helix4:59
- Double Helix and Example5:01
- Proteins12:33
- Amino Acids and Polypeptides12:39
- Examples: Amino Acid13:25
- Polypeptide Formation18:09
- Peptide Bonds18:14
- Primary Structure18:35
- Protein Structure23:19
- Secondary Structure23:22
- Alpha Helices and Beta Pleated Sheets23:34
- Protein Structure25:43
- Tertiary Structure25:44
- 5 Types of Interaction26:56
- Example 1: Complementary DNA Strand31:45
- Example 2: Differences Between DNA and RNA33:19
- Example 3: Amino Acids34:32
- Example 4: Tertiary Structure of Protein35:46
Section 2: Cell Structure and Function
Cell Types (Prokaryotic and Eukaryotic)
45m 50s
- Intro0:00
- Cell Theory and Cell Types0:12
- Cell Theory0:13
- Prokaryotic and Eukaryotic Cells0:36
- Endosymbiotic Theory1:13
- Study of Cells4:07
- Tools and Techniques4:08
- Light Microscopes5:08
- Light vs. Electron Microscopes: Magnification5:18
- Light vs. Electron Microscopes: Resolution6:26
- Light vs. Electron Microscopes: Specimens7:53
- Electron Microscopes: Transmission and Scanning8:28
- Cell Fractionation10:01
- Cell Fractionation Step 1: Homogenization10:33
- Cell Fractionation Step 2: Spin11:24
- Cell Fractionation Step 3: Differential Centrifugation11:53
- Comparison of Prokaryotic and Eukaryotic Cells14:12
- Prokaryotic vs. Eukaryotic Cells: Domains14:43
- Prokaryotic vs. Eukaryotic Cells: Plasma Membrane15:40
- Prokaryotic vs. Eukaryotic Cells: Cell Walls16:15
- Prokaryotic vs. Eukaryotic Cells: Genetic Materials16:38
- Prokaryotic vs. Eukaryotic Cells: Structures17:28
- Prokaryotic vs. Eukaryotic Cells: Unicellular and Multicellular18:19
- Prokaryotic vs. Eukaryotic Cells: Size18:31
- Plasmids18:52
- Prokaryotic vs. Eukaryotic Cells19:22
- Nucleus19:24
- Organelles19:48
- Cytoskeleton20:02
- Cell Wall20:35
- Ribosomes20:57
- Size21:37
- Comparison of Plant and Animal Cells22:15
- Plasma Membrane22:55
- Plant Cells Only: Cell Walls23:12
- Plant Cells Only: Central Vacuole25:08
- Animal Cells Only: Centrioles26:40
- Animal Cells Only: Lysosomes27:43
- Plant vs. Animal Cells29:16
- Overview of Plant and Animal Cells29:17
- Evidence for the Endosymbiotic Theory30:52
- Characteristics of Mitochondria and Chloroplasts30:54
- Example 1: Prokaryotic vs. Eukaryotic Cells35:44
- Example 2: Endosymbiotic Theory and Evidence38:38
- Example 3: Plant and Animal Cells41:49
- Example 4: Cell Fractionation43:44
Subcellular Structure
59m 38s
- Intro0:00
- Prokaryotic Cells0:09
- Shapes of Prokaryotic Cells0:22
- Cell Wall1:19
- Capsule3:23
- Pili/Fimbria3:54
- Flagella4:35
- Nucleoid6:16
- Plasmid6:37
- Ribosomes7:09
- Eukaryotic Cells (Animal Cell Structure)8:01
- Plasma Membrane8:13
- Microvilli8:48
- Nucleus9:47
- Nucleolus11:06
- Ribosomes: Free and Bound12:26
- Rough Endoplasmic Reticulum (RER)13:43
- Eukaryotic Cells (Animal Cell Structure), cont.14:51
- Endoplasmic Reticulum: Smooth and Rough15:08
- Golgi Apparatus17:55
- Vacuole20:43
- Lysosome22:01
- Mitochondria25:40
- Peroxisomes28:18
- Cytoskeleton30:41
- Cytoplasm and Cytosol30:53
- Microtubules: Centrioles, Spindel Fibers, Clagell, Cillia32:06
- Microfilaments36:39
- Intermediate Filaments and Kerotin38:52
- Eukaryotic Cells (Plant Cell Structure)40:08
- Plasma Membrane, Primary Cell Wall, and Secondary Cell Wall40:30
- Middle Lamella43:21
- Central Cauole44:12
- Plastids: Leucoplasts, Chromoplasts, Chrloroplasts45:35
- Chloroplasts47:06
- Example 1: Structures and Functions48:46
- Example 2: Cell Walls51:19
- Example 3: Cytoskeleton52:53
- Example 4: Antibiotics and the Endosymbiosis Theory56:55
Cell Membranes and Transport
53m 10s
- Intro0:00
- Cell Membrane Structure0:09
- Phospholipids Bilayer0:11
- Chemical Structure: Amphipathic and Fatty Acids0:25
- Cell Membrane Proteins2:44
- Fluid Mosaic Model2:45
- Peripheral Proteins and Integral Proteins3:19
- Transmembrane Proteins4:34
- Cholesterol4:48
- Functions of Membrane Proteins6:39
- Transport Across Cell Membranes9:52
- Transport Across Cell Membranes9:53
- Methods of Passive Transport12:07
- Passive and Active Transport12:08
- Simple Diffusion12:45
- Facilitated Diffusion15:20
- Osmosis17:17
- Definition and Example of Osmosis17:18
- Hypertonic, Hypotonic, and Isotonic21:47
- Active Transport27:57
- Active Transport28:17
- Sodium and Potassium Pump29:45
- Cotransport34:38
- 2 Types of Active Transport37:09
- Endocytosis and Exocytosis37:38
- Endocytosis and Exocytosis37:51
- Types of Endocytosis: Pinocytosis40:39
- Types of Endocytosis: Phagocytosis41:02
- Receptor Mediated Endocytosis41:27
- Receptor Mediated Endocytosis41:28
- Example 1: Cell Membrane and Permeable Substances43:59
- Example 2: Osmosis45:20
- Example 3: Active Transport, Cotransport, Simple and Facilitated Diffusion47:36
- Example 4: Match Terms with Definition50:55
Cellular Communication
57m 9s
- Intro0:00
- Extracellular Matrix0:28
- The Extracellular Matrix (ECM)0:29
- ECM in Animal Cells0:55
- Fibronectin and Integrins1:34
- Intercellular Communication in Plants2:48
- Intercellular Communication in Plants: Plasmodesmata2:50
- Cell to Cell Communication in Animal Cells3:39
- Cell Junctions3:42
- Desmosomes3:54
- Tight Junctions5:07
- Gap Junctions7:00
- Cell Signaling8:17
- Cell Signaling: Ligand and Signal Transduction Pathway8:18
- Direct Contact8:48
- Over Distances Contact and Hormones10:09
- Stages of Cell Signaling11:53
- Reception Phase11:54
- Transduction Phase13:49
- Response Phase14:45
- Cell Membrane Receptors15:37
- G-Protein Coupled Receptor15:38
- Cell Membrane Receptor, Cont.21:37
- Receptor Tyrosine Kinases (RTKs)21:38
- Autophosphorylation, Monomer, and Dimer22:57
- Cell Membrane Receptor, Cont.27:01
- Ligand-Gated Ion Channels27:02
- Intracellular Receptors29:43
- Intracellular Receptor and Receptor -Ligand Complex29:44
- Signal Transduction32:57
- Signal Transduction Pathways32:58
- Adenylyl Cyclase and cAMP35:53
- Second Messengers39:18
- cGMP, Inositol Trisphosphate, and Diacylglycerol39:20
- Cell Response45:15
- Cell Response45:16
- Apoptosis46:57
- Example 1: Tight Junction and Gap Junction48:29
- Example 2: Three Phases of Cell Signaling51:48
- Example 3: Ligands and Binding of Hormone54:03
- Example 4: Signal Transduction56:06
Section 3: Cell Division
The Cell Cycle
37m 49s
- Intro0:00
- Functions of Cell Division0:09
- Overview of Cell Division: Reproduction, Growth, and Repair0:11
- Important Term: Daughter Cells2:25
- Chromosome Structure3:36
- Chromosome Structure: Sister Chromatids and Centromere3:37
- Chromosome Structure: Chromatin4:31
- Chromosome with One Chromatid or Two Chromatids5:25
- Chromosome Structure: Long and Short Arm6:49
- Mitosis and Meiosis7:00
- Mitosis7:41
- Meiosis8:40
- The Cell Cycle10:43
- Mitotic Phase and Interphase10:44
- Cytokinesis15:51
- Cytokinesis in Animal Cell: Cleavage Furrow15:52
- Cytokinesis in Plant Cell: Cell Plate17:28
- Control of the Cell Cycle18:28
- Cell Cycle Control System and Checkpoints18:29
- Cyclins and Cyclin Dependent Kinases21:18
- Cyclins and Cyclin Dependent Kinases (CDKSs)21:20
- MPF23:17
- Internal Factor Regulating Cell Cycle24:00
- External Factor Regulating Cell Cycle24:53
- Contact Inhibition and Anchorage Dependent25:53
- Cancer and the Cell Cycle27:42
- Cancer Cells27:46
- Example1: Parts of the Chromosome30:15
- Example 2: Cell Cycle31:50
- Example 3: Control of the Cell Cycle33:32
- Example 4: Cancer and the Cell35:01
Mitosis
35m 1s
- Intro0:00
- Review of the Cell Cycle0:09
- Interphase: G1 Phase0:34
- Interphase: S Phase0:56
- Interphase: G2 Phase1:31
- M Phase: Mitosis and Cytokinesis1:47
- Overview of Mitosis3:08
- What is Mitosis?3:10
- Overview of Mitosis3:17
- Diploid and Haploid5:37
- Homologous Chromosomes6:04
- The Spindle Apparatus11:57
- The Spindle Apparatus12:00
- Centrosomes and Centrioles12:40
- Microtubule Organizing Center13:03
- Spindle Fiber of Spindle Microtubules13:23
- Kinetochores14:06
- Asters15:45
- Prophase16:47
- First Phase of Mitosis: Prophase16:54
- Metaphase20:05
- Second Phase of Mitosis: Metaphase20:10
- Anaphase22:52
- Third Phase of Mitosis: Anaphase22:53
- Telophase and Cytokinesis24:34
- Last Phase of Mitosis: Telophase and Cytokinesis24:35
- Summary of Mitosis27:46
- Summary of Mitosis27:47
- Example 1: Spindle Apparatus28:50
- Example 2: Last Phase of Mitosis30:39
- Example 3: Prophase32:41
- Example 4: Identify the Phase33:52
Meiosis
1h 58s
- Intro0:00
- Haploid and Diploid Cells0:09
- Diploid and Somatic Cells0:29
- Haploid and Gametes1:20
- Example: Human Cells and Chromosomes1:41
- Sex Chromosomes6:00
- Comparison of Mitosis and Meiosis10:42
- Mitosis Vs. Meiosis: Cell Division10:59
- Mitosis Vs. Meiosis: Daughter Cells12:31
- Meiosis: Pairing of Homologous Chromosomes13:40
- Mitosis and Meiosis14:21
- Process of Mitosis14:27
- Process of Meiosis16:12
- Synapsis and Crossing Over19:14
- Prophase I: Synapsis and Crossing Over19:15
- Chiasmata22:33
- Meiosis I25:49
- Prophase I: Crossing Over25:50
- Metaphase I: Homologs Line Up26:00
- Anaphase I: Homologs Separate28:16
- Telophase I and Cytokinesis29:15
- Independent Assortment30:58
- Meiosis II32:17
- Propphase II33:50
- Metaphase II34:06
- Anaphase II34:50
- Telophase II36:09
- Cytokinesis37:00
- Summary of Meiosis38:15
- Summary of Meiosis38:16
- Cell Division Mechanism in Plants41:57
- Example 1: Cell Division and Meiosis46:15
- Example 2: Phases of Meiosis50:22
- Example 3: Label the Figure54:29
- Example 4: Four Differences Between Mitosis and Meiosis56:37
Section 4: Cellular Energetics
Enzymes
51m 3s
- Intro0:00
- Law of Thermodynamics0:08
- Thermodynamics0:09
- The First Law of Thermodynamics0:37
- The Second Law of Thermodynamics1:24
- Entropy1:35
- The Gibbs Free Energy Equation3:07
- The Gibbs Free Energy Equation3:08
- ATP8:23
- Adenosine Triphosphate (ATP)8:24
- Cellular Respiration11:32
- Catabolic Pathways12:28
- Anabolic Pathways12:54
- Enzymes14:31
- Enzymes14:32
- Enzymes and Exergonic Reaction14:40
- Enzymes and Endergonic Reaction16:36
- Enzyme Specificity21:29
- Substrate21:41
- Induced Fit23:04
- Factors Affecting Enzyme Activity25:55
- Substrate Concentration26:07
- pH27:10
- Temperature29:14
- Presence of Cofactors29:57
- Regulation of Enzyme Activity31:12
- Competitive Inhibitors32:13
- Noncompetitive Inhibitors33:52
- Feedback Inhibition35:22
- Allosteric Interactions36:56
- Allosteric Regulators37:00
- Example 1: Is the Inhibitor Competitive or Noncompetitive?40:49
- Example 2: Thermophiles44:18
- Example 3: Exergonic or Endergonic46:09
- Example 4: Energy Vs. Reaction Progress Graph48:47
Glycolysis and Anaerobic Respiration
38m 1s
- Intro0:00
- Cellular Respiration Overview0:13
- Cellular Respiration0:14
- Anaerobic Respiration vs. Aerobic Respiration3:50
- Glycolysis Overview4:48
- Overview of Glycolysis4:50
- Glycolysis Involves a Redox Reaction7:02
- Redox Reaction7:04
- Glycolysis15:04
- Important Facts About Glycolysis15:07
- Energy Invested Phase16:12
- Splitting of Fructose 1,6-Phosphate and Energy Payoff Phase17:50
- Substrate Level Phophorylation22:12
- Aerobic Versus Anaerobic Respiration23:57
- Aerobic Versus Anaerobic Respiration23:58
- Cellular Respiration Overview27:15
- When Cellular Respiration is Anaerobic27:17
- Glycolysis28:26
- Alcohol Fermentation28:45
- Lactic Acid Fermentation29:58
- Example 1: Glycolysis31:04
- Example 2: Glycolysis, Fermentation and Anaerobic Respiration33:44
- Example 3: Aerobic Respiration Vs. Anaerobic Respiration35:25
- Example 4: Exergonic Reaction and Endergonic Reaction36:42
Aerobic Respiration
51m 6s
- Intro0:00
- Aerobic Vs. Anaerobic Respiration0:06
- Aerobic and Anaerobic Comparison0:07
- Review of Glycolysis1:48
- Overview of Glycolysis2:06
- Glycolysis: Energy Investment Phase2:25
- Glycolysis: Energy Payoff Phase2:58
- Conversion of Pyruvate to Acetyl CoA4:55
- Conversion of Pyruvate to Acetyl CoA4:56
- Energy Formation8:06
- Mitochondrial Structure8:58
- Endosymbiosis Theory9:23
- Matrix10:00
- Outer Membrane, Inner Membrane, and Intermembrane Space10:43
- Cristae11:47
- The Citric Acid Cycle12:11
- The Citric Acid Cycle (Also Called Krebs Cycle)12:12
- Substrate Level Phosphorylation18:47
- Summary of ATP, NADH, and FADH2 Production23:13
- Process: Glycolysis23:28
- Process: Acetyl CoA Production23:36
- Process: Citric Acid Cycle23:52
- The Electron Transport Chain24:24
- Oxidative Phosphorylation24:28
- The Electron Transport Chain and ATP Synthase25:20
- Carrier Molecules: Cytochromes27:18
- Carrier Molecules: Flavin Mononucleotide (FMN)28:05
- Chemiosmosis32:46
- The Process of Chemiosmosis32:47
- Summary of ATP Produced by Aerobic Respiration38:24
- ATP Produced by Aerobic Respiration38:27
- Example 1: Aerobic Respiration43:38
- Example 2: Label the Location for Each Process and Structure45:08
- Example 3: The Electron Transport Chain47:06
- Example 4: Mitochondrial Inner Membrane48:38
Photosynthesis
1h 2m 52s
- Intro0:00
- Photosynthesis0:09
- Introduction to Photosynthesis0:10
- Autotrophs and Heterotrophs0:25
- Overview of Photosynthesis Reaction1:05
- Leaf Anatomy and Chloroplast Structure2:54
- Chloroplast2:55
- Cuticle3:16
- Upper Epidermis3:27
- Mesophyll3:40
- Stomates4:00
- Guard Cells4:45
- Transpiration5:01
- Vascular Bundle5:20
- Stroma and Double Membrane6:20
- Grana7:17
- Thylakoids7:30
- Dark Reaction and Light Reaction7:46
- Light Reactions8:43
- Light Reactions8:47
- Pigments: Chlorophyll a, Chlorophyll b, and Carotenoids9:19
- Wave and Particle12:10
- Photon12:34
- Photosystems13:24
- Photosystems13:28
- Reaction-Center Complex and Light Harvesting Complexes14:01
- Noncyclic Photophosphorylation17:46
- Noncyclic Photophosphorylation Overview17:47
- What is Photophosphorylation?18:25
- Noncyclic Photophosphorylation Process19:07
- Photolysis and The Rest of Noncyclic Photophosphorylation21:33
- Cyclic Photophosphorylation31:45
- Cyclic Photophosphorylation31:46
- Light Independent Reactions34:34
- The Calvin Cycle34:35
- C3 Plants and Photorespiration40:31
- C3 Plants and Photorespiration40:32
- C4 Plants45:32
- C4 Plants: Structures and Functions45:33
- CAM Plants50:25
- CAM Plants: Structures and Functions50:35
- Example 1: Calvin Cycle54:34
- Example 2: C4 Plant55:48
- Example 3: Photosynthesis and Photorespiration58:35
- Example 4: CAM Plants1:00:41
Section 5: Molecular Genetics
DNA Synthesis
38m 45s
- Intro0:00
- Review of DNA Structure0:09
- DNA Molecules0:10
- Nitrogenous Base: Pyrimidines and Purines1:25
- DNA Double Helix3:03
- Complementary Strands of DNA3:12
- 5' to 3' & Antiparallel4:55
- Overview of DNA Replication7:10
- DNA Replication & Semiconservative7:11
- DNA Replication10:26
- Origin of Replication10:28
- Helicase11:10
- Single-Strand Binding Protein12:05
- Topoisomerases13:14
- DNA Polymerase14:26
- Primase15:55
- Leading and Lagging Strands16:51
- Leading Strand and Lagging Strand16:52
- Okazaki Fragments18:10
- DNA Polymerase I20:11
- Ligase21:12
- Proofreading and Mismatch Repair22:18
- Proofreading22:19
- Mismatch23:33
- Telomeres24:58
- Telomeres24:59
- Example 1: Function of Enzymes During DNA Synthesis28:09
- Example 2: Accuracy of the DNA Sequence31:42
- Example 3: Leading Strand and Lagging Strand32:38
- Example 4: Telomeres35:40
Transcription and Translation
1h 17m 1s
- Intro0:00
- Transcription and Translation Overview0:07
- From DNA to RNA to Protein0:09
- Structure and Types of RNA3:14
- Structure and Types of RNA3:33
- mRNA6:19
- rRNA7:02
- tRNA7:28
- Transcription7:54
- Initiation Phase8:11
- Elongation Phase12:12
- Termination Phase14:51
- RNA Processing16:11
- Types of RNA Processing16:12
- Exons and Introns16:35
- Splicing & Spliceosomes18:27
- Addition of a 5' Cap and a Poly A tail20:41
- Alternative Splicing21:43
- Translation23:41
- Nucleotide Triplets or Codons23:42
- Start Codon25:24
- Stop Codons25:38
- Coding of Amino Acids and Wobble Position25:57
- Translation Cont.28:29
- Transfer RNA (tRNA): Structures and Functions28:30
- Ribosomes35:15
- Peptidyl, Aminoacyl, and Exit Site35:23
- Steps of Translation36:58
- Initiation Phase37:12
- Elongation Phase43:12
- Termination Phase45:28
- Mutations49:43
- Types of Mutations49:44
- Substitutions: Silent51:11
- Substitutions: Missense55:27
- Substitutions: Nonsense59:37
- Insertions and Deletions1:01:10
- Example 1: Three Types of Processing that are Performed on pre-mRNA1:06:53
- Example 2: The Process of Translation1:09:10
- Example 3: Transcription1:12:04
- Example 4: Three Types of Substitution Mutations1:14:09
Viral Structure and Genetics
43m 12s
- Intro0:00
- Structure of Viruses0:09
- Structure of Viruses: Capsid and Envelope0:10
- Bacteriophage1:48
- Other Viruses2:28
- Overview of Viral Reproduction3:15
- Host Range3:48
- Step 1: Bind to Host Cell4:39
- Step 2: Viral Nuclei Acids Enter the Cell5:15
- Step 3: Viral Nucleic Acids & Proteins are Synthesized5:54
- Step 4: Virus Assembles6:34
- Step 5: Virus Exits the Cell6:55
- The Lytic Cycle7:37
- Steps in the Lytic Cycle7:38
- The Lysogenic Cycle11:27
- Temperate Phage11:34
- Steps in the Lysogenic Cycle12:09
- RNA Viruses16:57
- Types of RNA Viruses17:15
- Positive Sense18:16
- Negative Sense18:48
- Reproductive Cycle of RNA Viruses19:32
- Retroviruses25:48
- Complementary DNA (cDNA) & Reverse Transcriptase25:49
- Life Cycle of a Retrovirus28:22
- Prions32:42
- Prions: Definition and Examples32:45
- Viroids34:46
- Example 1: The Lytic Cycle35:37
- Example 2: Retrovirus38:03
- Example 3: Positive Sense RNA vs. Negative Sense RNA39:10
- Example 4: The Lysogenic Cycle40:42
Bacterial Genetics and Gene Regulation
49m 45s
- Intro0:00
- Bacterial Genomes0:09
- Structure of Bacterial Genomes0:16
- Transformation1:22
- Transformation1:23
- Vector2:49
- Transduction3:32
- Process of Transduction3:38
- Conjugation8:06
- Conjugation & F factor8:07
- Operons14:02
- Definition and Example of Operon14:52
- Structural Genes16:23
- Promoter Region17:04
- Regulatory Protein & Operators17:53
- The lac Operon20:09
- The lac Operon: Inducible System20:10
- The trp Operon28:02
- The trp Operon: Repressible System28:03
- Corepressor31:37
- Anabolic & Catabolic33:12
- Positive Regulation of the lac Operon34:39
- Positive Regulation of the lac Operon34:40
- Example 1: The Process of Transformation39:07
- Example 2: Operon & Terms43:29
- Example 3: Inducible lac Operon and Repressible trp Operon45:15
- Example 4: lac Operon47:10
Eukaryotic Gene Regulation and Mobile Genetic Elements
54m 26s
- Intro0:00
- Mechanism of Gene Regulation0:11
- Differential Gene Expression0:13
- Levels of Regulation2:24
- Chromatin Structure and Modification4:35
- Chromatin Structure4:36
- Levels of Packing5:50
- Euchromatin and Heterochromatin8:58
- Modification of Chromatin Structure9:58
- Epigenetic12:49
- Regulation of Transcription14:20
- Promoter Region, Exon, and Intron14:26
- Enhancers: Control Element15:31
- Enhancer & DNA-Bending Protein17:25
- Coordinate Control21:23
- Silencers23:01
- Post-Transcriptional Regulation24:05
- Post-Transcriptional Regulation24:07
- Alternative Splicing27:19
- Differences in mRNA Stability28:02
- Non-Coding RNA Molecules: micro RNA & siRNA30:01
- Regulation of Translation and Post-Translational Modifications32:31
- Regulation of Translation and Post-Translational Modifications32:55
- Ubiquitin35:21
- Proteosomes36:04
- Transposons37:50
- Mobile Genetic Elements37:56
- Barbara McClintock38:37
- Transposons & Retrotransposons40:38
- Insertion Sequences43:14
- Complex Transposons43:58
- Example 1: Four Mechanisms that Decrease Production of Protein45:13
- Example 2: Enhancers and Gene Expression49:09
- Example 3: Primary Transcript50:41
- Example 4: Retroviruses and Retrotransposons52:11
Biotechnology
49m 26s
- Intro0:00
- Definition of Biotechnology0:08
- Biotechnology0:09
- Genetic Engineering1:05
- Example: Golden Corn1:57
- Recombinant DNA2:41
- Recombinant DNA2:42
- Transformation3:24
- Transduction4:24
- Restriction Enzymes, Restriction Sites, & DNA Ligase5:32
- Gene Cloning13:48
- Plasmids14:20
- Gene Cloning: Step 117:35
- Gene Cloning: Step 217:57
- Gene Cloning: Step 318:53
- Gene Cloning: Step 419:46
- Gel Electrophoresis27:25
- What is Gel Electrophoresis?27:26
- Gel Electrophoresis: Step 128:13
- Gel Electrophoresis: Step 228:24
- Gel Electrophoresis: Step 3 & 428:39
- Gel Electrophoresis: Step 529:55
- Southern Blotting31:25
- Polymerase Chain Reaction (PCR)32:11
- Polymerase Chain Reaction (PCR)32:12
- Denaturing Phase35:40
- Annealing Phase36:07
- Elongation/ Extension Phase37:06
- DNA Sequencing and the Human Genome Project39:19
- DNA Sequencing and the Human Genome Project39:20
- Example 1: Gene Cloning40:40
- Example 2: Recombinant DNA43:04
- Example 3: Match Terms With Descriptions45:43
- Example 4: Polymerase Chain Reaction47:36
Section 6: Heredity
Mendelian Genetics
1h 32m 8s
- Intro0:00
- Background0:40
- Gregory Mendel & Mendel's Law0:41
- Blending Hypothesis1:04
- Particulate Inheritance2:08
- Terminology2:55
- Gene3:05
- Locus3:57
- Allele4:37
- Dominant Allele5:48
- Recessive Allele7:38
- Genotype9:22
- Phenotype10:01
- Homozygous10:44
- Heterozygous11:39
- Penetrance11:57
- Expressivity14:15
- Mendel's Experiments15:31
- Mendel's Experiments: Pea Plants15:32
- The Law of Segregation21:16
- Mendel's Conclusions21:17
- The Law of Segregation22:57
- Punnett Squares28:27
- Using Punnet Squares28:30
- The Law of Independent Assortment32:35
- Monohybrid32:38
- Dihybrid33:29
- The Law of Independent Assortment34:00
- The Law of Independent Assortment, cont.38:13
- The Law of Independent Assortment: Punnet Squares38:29
- Meiosis and Mendel's Laws43:38
- Meiosis and Mendel's Laws43:39
- Test Crosses49:07
- Test Crosses Example49:08
- Probability: Multiplication Rule and the Addition Rule53:39
- Probability Overview53:40
- Independent Events & Multiplication Rule55:40
- Mutually Exclusive Events & Addition Rule1:00:25
- Incomplete Dominance, Codominance and Multiple Alleles1:02:55
- Incomplete Dominance1:02:56
- Incomplete Dominance, Codominance and Multiple Alleles1:07:06
- Codominance and Multiple Alleles1:07:08
- Polygenic Inheritance and Pleoitropy1:10:19
- Polygenic Inheritance and Pleoitropy1:10:26
- Epistasis1:12:51
- Example of Epistasis1:12:52
- Example 1: Genetic of Eye Color and Height1:17:39
- Example 2: Blood Type1:21:57
- Example 3: Pea Plants1:25:09
- Example 4: Coat Color1:28:34
Linked Genes and Non-Mendelian Modes of Inheritance
39m 38s
- Intro0:00
- Review of the Law of Independent Assortment0:14
- Review of the Law of Independent Assortment0:24
- Linked Genes6:06
- Linked Genes6:07
- Bateson & Pannett: Pea Plants8:00
- Crossing Over and Recombination15:17
- Crossing Over and Recombination15:18
- Extranuclear Genes20:50
- Extranuclear Genes20:51
- Cytoplasmic Genes21:31
- Genomic Imprinting23:45
- Genomic Imprinting23:58
- Methylation24:43
- Example 1: Recombination Frequencies & Linkage Map27:07
- Example 2: Linked Genes28:39
- Example 3: Match Terms to Correct Descriptions36:46
- Example 4: Leber's Optic Neuropathy38:40
Sex-Linked Traits and Pedigree Analysis
43m 39s
- Intro0:00
- Sex-Linked Traits0:09
- Human Chromosomes, XY, and XX0:10
- Thomas Morgan's Drosophila1:44
- X-Inactivation and Barr Bodies14:48
- X-Inactivation Overview14:49
- Calico Cats Example17:04
- Pedigrees19:24
- Definition and Example of Pedigree19:25
- Autosomal Dominant Inheritance20:51
- Example: Huntington's Disease20:52
- Autosomal Recessive Inheritance23:04
- Example: Cystic Fibrosis, Tay-Sachs Disease, and Phenylketonuria23:05
- X-Linked Recessive Inheritance27:06
- Example: Hemophilia, Duchene Muscular Dystrohpy, and Color Blindess27:07
- Example 1: Colorblind29:48
- Example 2: Pedigree37:07
- Example 3: Inheritance Pattern39:54
- Example 4: X-inactivation41:17
Section 7: Evolution
Natural Selection
1h 3m 28s
- Intro0:00
- Background0:09
- Work of Other Scientists0:15
- Aristotle0:43
- Carl Linnaeus1:32
- George Cuvier2:47
- James Hutton4:10
- Thomas Malthus5:05
- Jean-Baptiste Lamark5:45
- Darwin's Theory of Natural Selection7:50
- Evolution8:00
- Natural Selection8:43
- Charles Darwin & The Galapagos Islands10:20
- Genetic Variation20:37
- Mutations20:38
- Independent Assortment21:04
- Crossing Over24:40
- Random Fertilization25:26
- Natural Selection and the Peppered Moth26:37
- Natural Selection and the Peppered Moth26:38
- Types of Natural Selection29:52
- Directional Selection29:55
- Stabilizing Selection32:43
- Disruptive Selection34:21
- Sexual Selection36:18
- Sexual Dimorphism37:30
- Intersexual Selection37:57
- Intrasexual Selection39:20
- Evidence for Evolution40:55
- Paleontology: Fossil Record41:30
- Biogeography45:35
- Continental Drift46:06
- Pangaea46:28
- Marsupials47:11
- Homologous and Analogous Structure50:10
- Homologous Structure50:12
- Analogous Structure53:21
- Example 1: Genetic Variation & Natural Selection56:15
- Example 2: Types of Natural Selection58:07
- Example 3: Mechanisms By Which Genetic Variation is Maintained Within a Population1:00:12
- Example 4: Difference Between Homologous and Analogous Structures1:01:28
Population Genetic and Evolution
53m 22s
- Intro0:00
- Review of Natural Selection0:12
- Review of Natural Selection0:13
- Genetic Drift and Gene Flow4:40
- Definition of Genetic Drift4:41
- Example of Genetic Drift: Cholera Epidemic5:15
- Genetic Drift: Founder Effect7:28
- Genetic Drift: Bottleneck Effect10:27
- Gene Flow13:00
- Quantifying Genetic Variation14:32
- Average Heterozygosity15:08
- Nucleotide Variation17:05
- Maintaining Genetic Variation18:12
- Heterozygote Advantage19:45
- Example of Heterozygote Advantage: Sickle Cell Anemia20:21
- Diploidy23:44
- Geographic Variation26:54
- Frequency Dependent Selection and Outbreeding28:15
- Neutral Traits30:55
- The Hardy-Weinberg Equilibrium31:11
- The Hardy-Weinberg Equilibrium31:49
- The Hardy-Weinberg Conditions32:42
- The Hardy-Weinberg Equation34:05
- The Hardy-Weinberg Example36:33
- Example 1: Match Terms to Descriptions42:28
- Example 2: The Hardy-Weinberg Equilibrium44:31
- Example 3: The Hardy-Weinberg Equilibrium49:10
- Example 4: Maintaining Genetic Variation51:30
Speciation and Patterns of Evolution
51m 2s
- Intro0:00
- Early Life on Earth0:08
- Early Earth0:09
- 1920's Oparin & Haldane0:58
- Abiogenesis2:15
- 1950's Miller & Urey2:45
- Ribozymes5:34
- 3.5 Billion Years Ago6:39
- 2.5 Billion Years Ago7:14
- 1.5 Billion Years Ago7:41
- Endosymbiosis8:00
- 540 Million Years Ago: Cambrian Explosion9:57
- Gradualism and Punctuated Equilibrium11:46
- Gradualism11:47
- Punctuated Equilibrium12:45
- Adaptive Radiation15:08
- Adaptive Radiation15:09
- Example of Adaptive Radiation: Galapogos Islands17:11
- Convergent Evolution, Divergent Evolution, and Coevolution18:30
- Convergent Evolution18:39
- Divergent Evolution21:30
- Coevolution23:49
- Speciation26:27
- Definition and Example of Species26:29
- Reproductive Isolation: Prezygotive27:49
- Reproductive Isolation: Post zygotic29:28
- Allopatric Speciation30:21
- Allopatric Speciation & Geographic Isolation30:28
- Genetic Drift31:31
- Sympatric Speciation34:10
- Sympatric Speciation34:11
- Polyploidy & Autopolyploidy35:12
- Habitat Isolation39:17
- Temporal Isolation41:27
- Selection Selection41:40
- Example 1: Pattern of Evolution42:53
- Example 2: Sympatric Speciation45:16
- Example 3: Patterns of Evolution48:08
- Example 4: Patterns of Evolution49:27
Section 8: Diversity of Life
Classification
1h 51s
- Intro0:00
- Systems of Classification0:07
- Taxonomy0:08
- Phylogeny1:04
- Phylogenetics Tree1:44
- Cladistics3:37
- Classification of Organisms5:31
- Example of Carl Linnaeus System5:32
- Domains9:26
- Kingdoms: Monera, Protista, Plantae, Fungi, Animalia9:27
- Monera10:06
- Phylogentics Tree: Eurkarya, Bacteria, Archaea11:58
- Domain Eukarya12:50
- Domain Bacteria15:43
- Domain Bacteria15:46
- Pathogens16:41
- Decomposers18:00
- Domain Archaea19:43
- Extremophiles Archaea: Thermophiles and Halophiles19:44
- Methanogens20:58
- Phototrophs, Autotrophs, Chemotrophs and Heterotrophs24:40
- Phototrophs and Chemotrophs25:02
- Autotrophs and Heterotrophs26:54
- Photoautotrophs28:50
- Photoheterotrophs29:28
- Chemoautotrophs30:06
- Chemoheterotrophs31:37
- Domain Eukarya32:40
- Domain Eukarya32:43
- Plant Kingdom34:28
- Protists35:48
- Fungi Kingdom37:06
- Animal Kingdom38:35
- Body Symmetry39:25
- Lack Symetry39:40
- Radial Symmetry: Sea Aneome40:15
- Bilateral Symmetry41:55
- Cephalization43:29
- Germ Layers44:54
- Diploblastic Animals45:18
- Triploblastic Animals45:25
- Ectoderm45:36
- Endoderm46:07
- Mesoderm46:41
- Coelomates47:14
- Coelom47:15
- Acoelomate48:22
- Pseudocoelomate48:59
- Coelomate49:31
- Protosomes50:46
- Deuterosomes51:20
- Example 1: Domains53:01
- Example 2: Match Terms with Descriptions56:00
- Example 3: Kingdom Monera and Domain Archaea57:50
- Example 4: System of Classification59:37
Bacteria
36m 46s
- Intro0:00
- Comparison of Domain Archaea and Domain Bacteria0:08
- Overview of Archaea and Bacteria0:09
- Archaea vs. Bacteria: Nucleus, Organelles, and Organization of Genetic Material1:45
- Archaea vs. Bacteria: Cell Walls2:20
- Archaea vs. Bacteria: Number of Types of RNA Pol2:29
- Archaea vs. Bacteria: Membrane Lipids2:53
- Archaea vs. Bacteria: Introns3:33
- Bacteria: Pathogen4:03
- Bacteria: Decomposers and Fix Nitrogen5:18
- Bacteria: Aerobic, Anaerobic, Strict Anaerobes & Facultative Anaerobes6:02
- Phototrophs, Autotrophs, Heterotrophs and Chemotrophs7:14
- Phototrophs and Chemotrophs7:50
- Autotrophs and Heterotrophs8:53
- Photoautotrophs and Photoheterotrophs10:15
- Chemoautotroph and Chemoheterotrophs11:07
- Structure of Bacteria12:21
- Shapes: Cocci, Bacilli, Vibrio, and Spirochetes12:26
- Structures: Plasma Membrane and Cell Wall14:23
- Structures: Nucleoid Region, Plasmid, and Capsule Basal Apparatus, and Filament15:30
- Structures: Flagella, Basal Apparatus, Hook, and Filament16:36
- Structures: Pili, Fimbrae and Ribosome18:00
- Peptidoglycan: Gram + and Gram -18:50
- Bacterial Genomes and Reproduction21:14
- Bacterial Genomes21:21
- Reproduction of Bacteria22:13
- Transformation23:26
- Vector24:34
- Competent25:15
- Conjugation25:53
- Conjugation: F+ and R Plasmids25:55
- Example 1: Species29:41
- Example 2: Bacteria and Exchange of Genetic Material32:31
- Example 3: Ways in Which Bacteria are Beneficial to Other Organisms33:48
- Example 4: Domain Bacteria vs. Domain Archaea34:53
Protists
1h 18m 48s
- Intro0:00
- Classification of Protists0:08
- Classification of Protists0:09
- 'Plant-like' Protists2:06
- 'Animal-like' Protists3:19
- 'Fungus-like' Protists3:57
- Serial Endosymbiosis Theory5:15
- Endosymbiosis Theory5:33
- Photosynthetic Protists7:33
- Life Cycles with a Diploid Adult13:35
- Life Cycles with a Diploid Adult13:56
- Life Cycles with a Haploid Adult15:31
- Life Cycles with a Haploid Adult15:32
- Alternation of Generations17:22
- Alternation of Generations: Multicellular Haploid & Diploid Phase17:23
- Plant-Like Protists19:58
- Euglenids20:43
- Dino Flagellates22:57
- Diatoms26:07
- Plant-Like Protists28:44
- Golden Algae28:45
- Brown Algeas30:05
- Plant-Like Protists33:38
- Red Algae33:39
- Green Algae35:36
- Green Algae: Chlamydomonus37:44
- Animal-Like Protists40:04
- Animal-Like Protists Overview40:05
- Sporozoans (Apicomplexans)40:32
- Alveolates41:41
- Sporozoans (Apicomplexans): Plasmodium & Malaria42:59
- Animal-Like Protists48:44
- Kinetoplastids48:50
- Example of Kinetoplastids: Trypanosomes & African Sleeping Sickness49:30
- Ciliate50:42
- Conjugation53:16
- Conjugation53:26
- Animal-Like Protists57:08
- Parabasilids57:31
- Diplomonads59:06
- Rhizopods1:00:13
- Forams1:02:25
- Radiolarians1:03:28
- Fungus-Like Protists1:04:25
- Fungus-Like Protists Overview1:04:26
- Slime Molds1:05:15
- Cellular Slime Molds: Feeding Stage1:09:21
- Oomycetes1:11:15
- Example 1: Alternation of Generations and Sexual Life Cycles1:13:05
- Example 2: Match Protists to Their Descriptions1:14:12
- Example 3: Three Structures that Protists Use for Motility1:16:22
- Example 4: Paramecium1:17:04
Fungi
35m 24s
- Intro0:00
- Introduction to Fungi0:09
- Introduction to Fungi0:10
- Mycologist0:34
- Examples of Fungi0:45
- Hyphae, Mycelia, Chitin, and Coencytic Fungi2:26
- Ancestral Protists5:00
- Role of Fungi in the Environment5:35
- Fungi as Decomposers5:36
- Mycorrrhiza6:19
- Lichen8:52
- Life Cycle of Fungi11:32
- Asexual Reproduction11:33
- Sexual Reproduction & Dikaryotic Cell13:16
- Chytridiomycota18:12
- Phylum Chytridiomycota18:17
- Zoospores18:50
- Zygomycota19:07
- Coenocytic & Zygomycota Life Cycle19:08
- Basidiomycota24:27
- Basidiomycota Overview24:28
- Basidiomycota Life Cycle26:11
- Ascomycota28:00
- Ascomycota Overview28:01
- Ascomycota Reproduction28:50
- Example 1: Fungi Fill in the Blank31:02
- Example 2: Name Two Roles Played by Fungi in the Environment32:09
- Example 3: Difference Between Diploid Cell and Dikaryon Cell33:42
- Example 4: Phylum of Fungi, Flagellated Spore, Coencytic34:36
Invertebrates
1h 3m 3s
- Intro0:00
- Porifera (Sponges)0:33
- Chordata0:56
- Porifera (Sponges): Sessile, Layers, Aceolomates, and Filter Feeders1:24
- Amoebocytes Cell4:47
- Choanocytes Cell5:56
- Sexual Reproduction6:28
- Cnidaria8:05
- Cnidaria Overview8:06
- Polyp & Medusa: Gastrovasular Cavity8:29
- Cnidocytes9:42
- Anthozoa10:40
- Cubozoa11:23
- Hydrozoa11:53
- Scyphoza13:25
- Platyhelminthes (Flatworms)13:58
- Flatworms: Tribloblastic, Bilateral Symmetry, and Cephalization13:59
- GI System15:33
- Excretory System16:07
- Nervous System17:00
- Turbellarians17:36
- Trematodes18:42
- Monageneans21:32
- Cestoda21:55
- Rotifera (Rotifers)23:45
- Rotifers: Digestive Tract, Pseudocoelem, and Stuctures23:46
- Reproduction: Parthenogenesis25:33
- Nematoda (Roundworms)26:44
- Nematoda (Roundworms)26:45
- Parasites: Pinworms & Hookworms27:26
- Annelida28:36
- Annelida Overview28:37
- Open Circulatory29:21
- Closed Circulatory30:18
- Nervous System31:19
- Excretory System31:43
- Oligochaete32:07
- Leeches33:22
- Polychaetes34:42
- Mollusca35:26
- Mollusca Features35:27
- Major Part 1: Visceral Mass36:21
- Major Part 2: Head-foot Region36:49
- Major Part 3: Mantle37:13
- Radula37:49
- Circulatory, Reproductive, Excretory, and Nervous System38:14
- Major Classes of Molluscs39:12
- Gastropoda39:17
- Polyplacophora40:15
- Bivales40:41
- Cephalopods41:42
- Arthropoda43:35
- Arthropoda Overview43:36
- Segmented Bodies44:14
- Exoskeleton44:52
- Jointed Appendages45:28
- Hemolyph, Excretory & Respiratory System45:41
- Myriapoda & Centipedes47:15
- Cheliceriforms48:20
- Crustcea49:31
- Herapoda50:03
- Echinodermata52:59
- Echinodermata53:00
- Watrer Vascular System54:20
- Selected Characteristics of Invertebrates57:11
- Selected Characteristics of Invertebrates57:12
- Example 1: Phylum Description58:43
- Example 2: Complex Animals59:50
- Example 3: Match Organisms to the Correct Phylum1:01:03
- Example 4: Phylum Arthropoda1:02:01
Vertebrates
1h 7s
- Intro0:00
- Phylum Chordata0:06
- Chordates Overview0:07
- Notochord and Dorsal Hollow Nerve Chord1:24
- Pharyngeal Clefts, Arches, and Post-anal Tail3:41
- Invertebrate Chordates6:48
- Lancelets7:13
- Tunicates8:02
- Hagfishes: Craniates8:55
- Vertebrate Chordates10:41
- Veterbrates Overview10:42
- Lampreys11:00
- Gnathostomes12:20
- Six Major Classes of Vertebrates12:53
- chondrichthyes14:23
- Chondrichthyes Overview14:24
- Ectothermic and Endothermic14:42
- Sharks: Lateral Line System, Neuromastsn, and Gills15:27
- Oviparous and Viviparous17:23
- Osteichthyes (Bony Fishes)18:12
- Osteichythes (Bony Fishes) Overview18:13
- Operculum19:05
- Swim Bladder19:53
- Ray-Finned Fishes20:34
- Lobe-Finned Fishes20:58
- Tetrapods22:36
- Tetrapods: Definition and Examples22:37
- Amphibians23:53
- Amphibians Overview23:54
- Order Urodela25:51
- Order Apoda27:03
- Order Anura27:55
- Reptiles30:19
- Reptiles Overview30:20
- Amniotes30:37
- Examples of Reptiles32:46
- Reptiles: Ectotherms, Gas Exchange, and Heart33:40
- Orders of Reptiles34:17
- Sphenodontia, Squamata, Testudines, and Crocodilia34:21
- Birds36:09
- Birds and Dinosaurs36:18
- Theropods38:00
- Birds: High Metabolism, Respiratory System, Lungs, and Heart39:04
- Birds: Endothermic, Bones, and Feathers40:15
- Mammals42:33
- Mammals Overview42:35
- Diaphragm and Heart42:57
- Diphydont43:44
- Synapsids44:41
- Monotremes46:36
- Monotremes46:37
- Marsupials47:12
- Marsupials: Definition and Examples47:16
- Convergent Evolution48:09
- Eutherians (Placental Mammals)49:42
- Placenta49:43
- Order Carnivora50:48
- Order Raodentia51:00
- Order Cetaceans51:14
- Primates51:41
- Primates Overview51:42
- Nails and Hands51:58
- Vision52:51
- Social Care for Young53:28
- Brain53:43
- Example 1: Distinguishing Characteristics of Chordates54:33
- Example 2: Match Description to Correct Term55:56
- Example 3: Bird's Anatomy57:38
- Example 4: Vertebrate Animal, Marine Environment, and Ectothermic59:14
Section 9: Plants
Seedless Plants
34m 31s
- Intro0:00
- Origin and Classification of Plants0:06
- Origin and Classification of Plants0:07
- Non-Vascular vs. Vascular Plants1:29
- Seedless Vascular & Seed Plants2:28
- Angiosperms & Gymnosperms2:50
- Alternation of Generations3:54
- Alternation of Generations3:55
- Bryophytes7:58
- Overview of Bryrophytes7:59
- Example: Moss Gametophyte9:29
- Example: Moss Sporophyte9:50
- Moss Life Cycle10:12
- Moss Life Cycle10:13
- Seedless Vascular Plants13:23
- Vascular Structures: Cell Walls, and Lignin13:24
- Homosporous17:11
- Heterosporous17:48
- Adaptations to Life on land21:10
- Adaptation 1: Cell Walls21:38
- Adaptation 2: Vascular Plants21:59
- Adaptation 3 : Xylem & Phloem22:31
- Adaptation 4: Seeds23:07
- Adaptation 5: Pollen23:35
- Adaptation 6: Stomata24:45
- Adaptation 7: Reduced Gametophyte Generation25:32
- Example 1: Bryophytes26:39
- Example 2: Sporangium, Lignin, Gametophyte, and Antheridium28:34
- Example 3: Adaptations to Life on Land29:47
- Example 4: Life Cycle of Plant32:06
Plant Structure
1h 1m 21s
- Intro0:00
- Plant Tissue0:05
- Dermal Tissue0:15
- Vascular Tissue0:39
- Ground Tissue1:31
- Cell Types in Plants2:14
- Parenchyma Cells2:24
- Collenchyma Cells3:21
- Sclerenchyma Cells3:59
- Xylem5:04
- Xylem: Tracheids and Vessel Elements6:12
- Gymnosperms vs. Angiosperms7:53
- Phloem8:37
- Phloem: Structures and Function8:38
- Sieve-Tube Elements8:45
- Companion Cells & Sieve Plates9:11
- Roots10:08
- Taproots & Fibrous10:09
- Aerial Roots & Prop Roots11:41
- Structures and Functions of Root: Dicot & Monocot13:00
- Pericyle16:57
- The Nitrogen Cylce18:05
- The Nitrogen Cycle18:06
- Mycorrhizae24:20
- Mycorrhizae24:23
- Ectomycorrhiza26:03
- Endomycorrhiza26:25
- Stems26:53
- Stems26:54
- Vascular Bundles of Monocots and Dicots28:18
- Leaves29:48
- Blade & Petiole30:13
- Upper Epidermis, Lower Epidermis & Cuticle30:39
- Ground Tissue, Palisade Mesophyll, Spongy Mesophyll31:35
- Stomata Pores33:23
- Guard Cells34:15
- Vascular Tissues: Vascular Bundles and Bundle Sheath34:46
- Stomata36:12
- Stomata & Gas Exchange36:16
- Guard Cells, Flaccid, and Turgid36:43
- Water Potential38:03
- Factors for Opening Stoma40:35
- Factors Causing Stoma to Close42:44
- Overview of Plant Growth44:23
- Overview of Plant Growth44:24
- Primary Plant Growth46:19
- Apical Meristems46:25
- Root Growth: Zone of Cell Division46:44
- Root Growth: Zone of Cell Elongation47:35
- Root Growth: Zone of Cell Differentiation47:55
- Stem Growth: Leaf Primodia48:16
- Secondary Plant Growth48:48
- Secondary Plant Growth Overview48:59
- Vascular Cambium: Secondary Xylem and Phloem49:38
- Cork Cambium: Periderm and Lenticels51:10
- Example 1: Leaf Structures53:30
- Example 2: List Three Types of Plant Tissue and their Major Functions55:13
- Example 3: What are Two Factors that Stimulate the Opening or Closing of Stomata?56:58
- Example 4: Plant Growth59:18
Gymnosperms and Angiosperms
1h 1m 51s
- Intro0:00
- Seed Plants0:22
- Sporopollenin0:58
- Heterosporous: Megasporangia2:49
- Heterosporous: Microsporangia3:19
- Gymnosperms5:20
- Gymnosperms5:21
- Gymnosperm Life Cycle7:30
- Gymnosperm Life Cycle7:31
- Flower Structure15:15
- Petal & Pollination15:48
- Sepal16:52
- Stamen: Anther, Filament17:05
- Pistill: Stigma, Style, Ovule, Ovary17:55
- Complete Flowers20:14
- Angiosperm Gametophyte Formation20:47
- Male Gametophyte: Microsporocytes, Microsporangia & Meiosis20:57
- Female Gametophyte: Megasporocytes & Meiosis24:22
- Double Fertilization25:43
- Double Fertilization: Pollen Tube and Endosperm25:44
- Angiosperm Life Cycle29:43
- Angiosperm Life Cycle29:48
- Seed Structure and Development33:37
- Seed Structure and Development33:38
- Pollen Dispersal37:53
- Abiotic38:28
- Biotic39:30
- Prevention of Self-Pollination40:48
- Mechanism 141:08
- Mechanism 2: Dioecious41:37
- Mechanism 342:32
- Self-Incompatibility43:08
- Gametophytic Self-Incompatibility44:38
- Sporophytic Self-Incompatibility46:50
- Asexual Reproduction48:33
- Asexual Reproduction & Vegetative Propagation48:34
- Graftiry50:19
- Monocots and Dicots51:34
- Monocots vs.Dicots51:35
- Example 1: Double Fertilization54:43
- Example 2: Mechanisms of Self-Fertilization56:02
- Example 3: Monocots vs. Dicots58:11
- Example 4: Flower Structures1:00:11
Transport of Nutrients and Water in Plants
40m 30s
- Intro0:00
- Review of Plant Cell Structure0:14
- Cell Wall, Plasma Membrane, Middle lamella, and Cytoplasm0:15
- Plasmodesmata, Chloroplasts, and Central Vacuole3:24
- Water Absorption by Plants4:28
- Root Hairs and Mycorrhizae4:30
- Osmosis and Water Potential5:41
- Apoplast and Symplast Pathways10:01
- Apoplast and Symplast Pathways10:02
- Xylem Structure21:02
- Tracheids and Vessel Elements21:03
- Bulk Flow23:00
- Transpiration23:26
- Cohesion25:10
- Adhesion26:10
- Phloem Structure27:25
- Pholem27:26
- Sieve-Tube Elements27:48
- Companion Cells28:17
- Translocation28:42
- Sugar Source and Sugar Sink Overview28:43
- Example of Sugar Sink30:01
- Example of Sugar Source30:48
- Example 1: Match the Following Terms to their Description33:17
- Example 2: Water Potential34:58
- Example 3: Bulk Flow36:56
- Example 4: Sugar Sink and Sugar Source38:33
Plant Hormones and Tropisms
48m 10s
- Intro0:00
- Plant Cell Signaling0:17
- Plant Cell Signaling Overview0:18
- Step 1: Reception1:03
- Step 2: Transduction2:32
- Step 3: Response2:58
- Second Messengers3:52
- Protein Kinases4:42
- Auxins6:14
- Auxins6:18
- Indoleacetic Acid (IAA)7:23
- Cytokinins and Gibberellins11:10
- Cytokinins: Apical Dominance & Delay of Aging11:16
- Gibberellins: 'Bolting'13:51
- Ethylene15:33
- Ethylene15:34
- Positive Feedback15:46
- Leaf Abscission18:05
- Mechanical Stress: Triple Response19:36
- Abscisic Acid21:10
- Abscisic Acid21:15
- Tropisms23:11
- Positive Tropism23:50
- Negative Tropism24:07
- Statoliths26:21
- Phytochromes and Photoperiodism27:48
- Phytochromes: PR and PFR27:56
- Circadian Rhythms32:06
- Photoperiod33:13
- Photoperiodism33:38
- Gerner & Allard34:35
- Short-Day Plant35:22
- Long-Day Plant37:00
- Example 1: Plant Hormones41:28
- Example 2: Cytokinins & Gibberellins43:00
- Example 3: Match the Following Terms to their Description44:46
- Example 4: Hormones & Cell Response46:14
Section 10: Animal Structure and Physiology
The Respiratory System
48m 14s
- Intro0:00
- Gas Exchange in Animals0:17
- Respiration0:19
- Ventilation1:09
- Characteristics of Respiratory Surfaces1:53
- Gas Exchange in Aquatic Animals3:05
- Simple Aquatic Animals3:06
- Gills & Gas Exchange in Complex Aquatic Animals3:49
- Countercurrent Exchange6:12
- Gas Exchange in Terrestrial Animals13:46
- Earthworms14:07
- Internal Respiratory15:35
- Insects16:55
- Circulatory Fluid19:06
- The Human Respiratory System21:21
- Nasal Cavity, Pharynx, Larynx, and Epiglottis21:50
- Bronchus, Bronchiole, Trachea, and Alveoli23:38
- Pulmonary Surfactants28:05
- Circulatory System: Hemoglobin29:13
- Ventilation30:28
- Inspiration/Expiration: Diaphragm, Thorax, and Abdomen30:33
- Breathing Control Center: Regulation of pH34:34
- Example 1: Tracheal System in Insects39:08
- Example 2: Countercurrent Exchange42:09
- Example 3: Respiratory System44:10
- Example 4: Diaphragm, Ventilation, pH, and Regulation of Breathing45:31
The Circulatory System
1h 20m 21s
- Intro0:00
- Types of Circulatory Systems0:07
- Circulatory System Overview0:08
- Open Circulatory System3:19
- Closed Circulatory System5:58
- Blood Vessels7:51
- Arteries8:16
- Veins10:01
- Capillaries12:35
- Vasoconstriction and Vasodilation13:10
- Vasoconstriction13:11
- Vasodilation13:47
- Thermoregulation14:32
- Blood15:53
- Plasma15:54
- Cellular Component: Red Blood Cells17:41
- Cellular Component: White Blood Cells20:18
- Platelets21:14
- Blood Types21:35
- Clotting27:04
- Blood, Fibrin, and Clotting27:05
- Hemophilia30:26
- The Heart31:09
- Structures and Functions of the Heart31:19
- Pulmonary and Systemic Circulation40:20
- Double Circuit: Pulmonary Circuit and Systemic Circuit40:21
- The Cardiac Cycle42:35
- The Cardiac Cycle42:36
- Autonomic Nervous System50:00
- Hemoglobin51:25
- Hemoglobin & Hemocyanin51:26
- Oxygen-Hemoglobin Dissociation Curve55:30
- Oxygen-Hemoglobin Dissociation Curve55:44
- Transport of Carbon Dioxide1:06:31
- Transport of Carbon Dioxide1:06:37
- Example 1: Pathway of Blood1:12:48
- Example 2: Oxygenated Blood, Pacemaker, and Clotting1:15:24
- Example 3: Vasodilation and Vasoconstriction1:16:19
- Example 4: Oxygen-Hemoglobin Dissociation Curve1:18:13
The Digestive System
56m 11s
- Intro0:00
- Introduction to Digestion0:07
- Digestive Process0:08
- Intracellular Digestion0:45
- Extracellular Digestion1:44
- Types of Digestive Tracts2:08
- Gastrovascular Cavity2:09
- Complete Gastrointestinal Tract (Alimentary Canal)3:54
- 'Crop'4:43
- The Human Digestive System5:41
- Structures of the Human Digestive System5:47
- The Oral Cavity and Esophagus7:47
- Mechanical & Chemical Digestion7:48
- Salivary Glands8:55
- Pharynx and Epigloltis9:43
- Peristalsis11:35
- The Stomach12:57
- Lower Esophageal Sphincter13:00
- Gastric Gland, Parietal Cells, and Pepsin14:32
- Mucus Cell15:48
- Chyme & Pyloric Sphincter17:32
- The Pancreas18:31
- Endocrine and Exocrine19:03
- Amylase20:05
- Proteases20:51
- Lipases22:20
- The Liver23:08
- The Liver & Production of Bile23:09
- The Small Intestine24:37
- The Small Intestine24:38
- Duodenum27:44
- Intestinal Enzymes28:41
- Digestive Enzyme33:30
- Site of Production: Mouth33:43
- Site of Production: Stomach34:03
- Site of Production: Pancreas34:16
- Site of Production: Small Intestine36:18
- Absorption of Nutrients37:51
- Absorption of Nutrients: Jejunum and Ileum37:52
- The Large Intestine44:52
- The Large Intestine: Colon, Cecum, and Rectum44:53
- Regulation of Digestion by Hormones46:55
- Gastrin47:21
- Secretin47:50
- Cholecystokinin (CCK)48:00
- Example 1: Intestinal Cell, Bile, and Digestion of Fats48:29
- Example 2: Matching51:06
- Example 3: Digestion and Absorption of Starch52:18
- Example 4: Large Intestine and Gastric Fluids54:52
The Excretory System
1h 12m 14s
- Intro0:00
- Nitrogenous Wastes0:08
- Nitrogenous Wastes Overview0:09
- NH30:39
- Urea2:43
- Uric Acid3:31
- Osmoregulation4:56
- Osmoregulation5:05
- Saltwater Fish vs. Freshwater Fish8:58
- Types of Excretory Systems13:42
- Protonephridia13:50
- Metanephridia16:15
- Malpighian Tubule19:05
- The Human Excretory System20:45
- Kidney, Ureter, bladder, Urethra, Medula, and Cortex20:53
- Filtration, Reabsorption and Secretion22:53
- Filtration22:54
- Reabsorption24:16
- Secretion25:20
- The Nephron26:23
- The Nephron26:24
- The Nephron, cont.41:45
- Descending Loop of Henle41:46
- Ascending Loop of Henle45:45
- Antidiuretic Hormone54:30
- Antidiuretic Hormone (ADH)54:31
- Aldosterone58:58
- Aldosterone58:59
- Example 1: Nephron of an Aquatic Mammal1:04:21
- Example 2: Uric Acid & Saltwater Fish1:06:36
- Example 3: Nephron1:09:14
- Example 4: Gastrointestinal Infection1:10:41
The Endocrine System
51m 12s
- Intro0:00
- The Endocrine System Overview0:07
- Thyroid0:08
- Exocrine1:56
- Pancreas2:44
- Paracrine Signaling4:06
- Pheromones5:15
- Mechanisms of Hormone Action6:06
- Reception, Transduction, and Response7:06
- Classes of Hormone10:05
- Negative Feedback: Testosterone Example12:16
- The Pancreas15:11
- The Pancreas & islets of Langerhan15:12
- Insulin16:02
- Glucagon17:28
- The Anterior Pituitary19:25
- Thyroid Stimulating Hormone20:24
- Adrenocorticotropic Hormone21:16
- Follide Stimulating Hormone22:04
- Luteinizing Hormone22:45
- Growth Hormone23:45
- Prolactin24:24
- Melanocyte Stimulating Hormone24:55
- The Hypothalamus and Posterior Pituitary25:45
- Hypothalamus, Oxytocin, Antidiuretic Hormone (ADH), and Posterior Pituitary25:46
- The Adrenal Glands31:20
- Adrenal Cortex31:56
- Adrenal Medulla34:29
- The Thyroid35:54
- Thyroxine36:09
- Calcitonin40:27
- The Parathyroids41:44
- Parathyroids Hormone (PTH)41:45
- The Ovaries and Testes43:32
- Estrogen, Progesterone, and Testosterone43:33
- Example 1: Match the Following Hormones with their Descriptions45:38
- Example 2: Pancreas, Endocrine Organ & Exocrine Organ47:06
- Example 3: Insulin and Glucagon48:28
- Example 4: Increased Level of Cortisol in Blood50:25
The Nervous System
1h 10m 38s
- Intro0:00
- Types of Nervous Systems0:28
- Nerve Net0:37
- Flatworm1:07
- Cephalization1:52
- Arthropods2:44
- Echinoderms3:11
- Nervous System Organization3:40
- Nervous System Organization Overview3:41
- Automatic Nervous System: Sympathetic & Parasympathetic4:42
- Neuron Structure6:57
- Cell Body & Dendrites7:16
- Axon & Axon Hillock8:20
- Synaptic Terminals, Mylenin, and Nodes of Ranvier9:01
- Pre-synaptic and Post-synaptic Cells10:16
- Pre-synaptic Cells10:17
- Post-synaptic Cells11:05
- Types of Neurons11:50
- Sensory Neurons11:54
- Motor Neurons13:12
- Interneurons14:24
- Resting Potential15:14
- Membrane Potential15:25
- Resting Potential: Chemical Gradient16:06
- Resting Potential: Electrical Gradient19:18
- Gated Ion Channels24:40
- Voltage-Gated & Ligand-Gated Ion Channels24:48
- Action Potential30:09
- Action Potential Overview30:10
- Step 132:07
- Step 232:17
- Step 333:12
- Step 435:14
- Step 536:39
- Action Potential Transmission39:04
- Action Potential Transmission39:05
- Speed of Conduction41:19
- Saltatory Conduction42:58
- The Synapse44:17
- The Synapse: Presynaptic & Postsynaptic Cell44:31
- Examples of Neurotransmitters50:05
- Brain Structure51:57
- Meniges52:19
- Cerebrum52:56
- Corpus Callosum53:13
- Gray & White Matter53:38
- Cerebral Lobes55:35
- Cerebellum56:00
- Brainstem56:30
- Medulla56:51
- Pons57:22
- Midbrain57:55
- Thalamus58:25
- Hypothalamus58:58
- Ventricles59:51
- The Spinal Cord1:00:29
- Sensory Stimuli1:00:30
- Reflex Arc1:01:41
- Example 1: Automatic Nervous System1:04:38
- Example 2: Synaptic Terminal and the Release of Neurotransmitters1:06:22
- Example 3: Volted-Gated Ion Channels1:08:00
- Example 4: Neuron Structure1:09:26
Musculoskeletal System
39m 29s
- Intro0:00
- Skeletal System Types and Function0:30
- Skeletal System0:31
- Exoskeleton1:34
- Endoskeleton2:32
- Skeletal System Components2:55
- Bone3:06
- Cartilage5:04
- Tendons6:18
- Ligaments6:34
- Skeletal Muscle6:52
- Skeletal Muscle7:24
- Sarcomere9:50
- The Sliding Filament Theory13:12
- The Sliding Filament Theory: Muscle Contraction13:13
- The Neuromuscular Junction17:24
- The Neuromuscular Junction: Motor Neuron & Muscle Fiber17:26
- Sarcolemma, Sarcoplasmic21:54
- Tropomyosin & Troponin23:35
- Summation and Tetanus25:26
- Single Twitch, Summation of Two Twitches, and Tetanus25:27
- Smooth Muscle28:50
- Smooth Muscle28:58
- Cardiac Muscle30:40
- Cardiac Muscle30:42
- Summary of Muscle Types32:07
- Summary of Muscle Types32:08
- Example 1: Contraction and Skeletal Muscle33:15
- Example 2: Skeletal Muscle and Smooth Muscle36:23
- Example 3: Muscle Contraction, Bone, and Nonvascularized Connective Tissue37:31
- Example 4: Sarcomere38:17
The Immune System
1h 24m 28s
- Intro0:00
- The Lymphatic System0:16
- The Lymphatic System Overview0:17
- Function 11:23
- Function 22:27
- Barrier Defenses3:41
- Nonspecific vs. Specific Immune Defenses3:42
- Barrier Defenses5:12
- Nonspecific Cellular Defenses7:50
- Nonspecific Cellular Defenses Overview7:53
- Phagocytes9:29
- Neutrophils11:43
- Macrophages12:15
- Natural Killer Cells12:55
- Inflammatory Response14:19
- Complement18:16
- Interferons18:40
- Specific Defenses - Acquired Immunity20:12
- T lymphocytes and B lymphocytes20:13
- B Cells23:35
- B Cells & Humoral Immunity23:41
- Clonal Selection29:50
- Clonal Selection29:51
- Primary Immune Response34:28
- Secondary Immune Response35:31
- Cytotoxic T Cells38:41
- Helper T Cells39:20
- Major Histocompatibility Complex Molecules40:44
- Major Histocompatibility Complex Molecules40:55
- Helper T Cells52:36
- Helper T Cells52:37
- Mechanisms of Antibody Action59:00
- Mechanisms of Antibody Action59:01
- Opsonization1:00:01
- Complement System1:01:57
- Classes of Antibodies1:02:45
- IgM1:03:01
- IgA1:03:17
- IgG1:03:53
- IgE1:04:10
- Passive and Active Immunity1:05:00
- Passive Immunity1:05:01
- Active Immunity1:07:49
- Recognition of Self and Non-Self1:09:32
- Recognition of Self and Non-Self1:09:33
- Self-Tolerance & Autoimmune Diseases1:10:50
- Immunodeficiency1:13:27
- Immunodeficiency1:13:28
- Chemotherapy1:13:56
- AID1:14:27
- Example 1: Match the Following Terms with their Descriptions1:15:26
- Example 2: Three Components of Non-specific Immunity1:17:59
- Example 3: Immunodeficient1:21:19
- Example 4: Self-tolerance and Autoimmune Diseases1:23:07
Section 11: Animal Reproduction and Development
Reproduction
1h 1m 41s
- Intro0:00
- Asexual Reproduction0:17
- Fragmentation0:53
- Fission1:54
- Parthenogenesis2:38
- Sexual Reproduction4:00
- Sexual Reproduction4:01
- Hermaphrodite8:08
- The Male Reproduction System8:54
- Seminiferous Tubules & Leydig Cells8:55
- Epididymis9:48
- Seminal Vesicle11:19
- Bulbourethral12:37
- The Female Reproductive System13:25
- Ovaries13:28
- Fallopian14:50
- Endometrium, Uterus, Cilia, and Cervix15:03
- Mammary Glands16:44
- Spermatogenesis17:08
- Spermatogenesis17:09
- Oogenesis21:01
- Oogenesis21:02
- The Menstrual Cycle27:56
- The Menstrual Cycle: Ovarian and Uterine Cycle27:57
- Summary of the Ovarian and Uterine Cycles42:54
- Ovarian42:55
- Uterine44:51
- Oxytocin and Prolactin46:33
- Oxytocin46:34
- Prolactin47:00
- Regulation of the Male Reproductive System47:28
- Hormones: GnRH, LH, FSH, and Testosterone47:29
- Fertilization50:11
- Fertilization50:12
- Structures of Egg50:28
- Acrosomal Reaction51:36
- Cortical Reaction53:09
- Example 1: List Three Differences between Spermatogenesis and oogenesis55:36
- Example 2: Match the Following Terms to their Descriptions57:34
- Example 3: Pregnancy and the Ovarian Cycle58:44
- Example 4: Hormone1:00:43
Development
50m 5s
- Intro0:00
- Cleavage0:31
- Cleavage0:32
- Meroblastic2:06
- Holoblastic Cleavage3:23
- Protostomes4:34
- Deuterostomes5:13
- Totipotent5:52
- Blastula Formation6:42
- Blastula6:46
- Gastrula Formation8:12
- Deuterostomes11:02
- Protostome11:44
- Ectoderm12:17
- Mesoderm12:55
- Endoderm13:40
- Cytoplasmic Determinants15:19
- Cytoplasmic Determinants15:23
- The Bird Embryo22:52
- Cleavage23:35
- Blastoderm23:55
- Primitive Streak25:38
- Migration and Differentiation27:09
- Extraembryonic Membranes28:33
- Extraembryonic Membranes28:34
- Chorion30:02
- Yolk Sac30:36
- Allantois31:04
- The Mammalian Embryo32:18
- Cleavage32:28
- Blastocyst32:44
- Trophoblast34:37
- Following Implantation35:48
- Organogenesis37:04
- Organogenesis, Notochord and Neural Tube37:05
- Induction40:15
- Induction40:39
- Fate Mapping41:40
- Example 1: Processes and Stages of Embryological Development42:49
- Example 2: Transplanted Cells44:33
- Example 3: Germ Layer46:41
- Example 4: Extraembryonic Membranes47:28
Section 12: Animal Behavior
Animal Behavior
47m 48s
- Intro0:00
- Introduction to Animal Behavior0:05
- Introduction to Animal Behavior0:06
- Ethology1:04
- Proximate Cause & Ultimate Cause1:46
- Fixed Action Pattern3:07
- Sign Stimulus3:40
- Releases and Example3:55
- Exploitation and Example7:23
- Learning8:56
- Habituation, Associative Learning, and Imprinting8:57
- Habituation10:03
- Habituation: Definition and Example10:04
- Associative Learning11:47
- Classical12:19
- Operant Conditioning13:40
- Positive & Negative Reinforcement14:59
- Positive & Negative Punishment16:13
- Extinction17:28
- Imprinting17:47
- Imprinting: Definition and Example17:48
- Social Behavior20:12
- Cooperation20:38
- Agonistic21:37
- Dorminance Heirarchies23:23
- Territoriality24:08
- Altruism24:55
- Communication26:56
- Communication26:57
- Mating32:38
- Mating Overview32:40
- Promiscuous33:13
- Monogamous33:32
- Polygamous33:48
- Intrasexual34:22
- Intersexual Selection35:08
- Foraging36:08
- Optimal Foraging Model36:39
- Foraging37:47
- Movement39:12
- Kinesis39:20
- Taxis40:17
- Migration40:54
- Lunar Cycles42:02
- Lunar Cycles42:08
- Example 1: Types of Conditioning43:19
- Example 2: Match the Following Terms to their Descriptions44:12
- Example 3: How is the Optimal Foraging Model Used to Explain Foraging Behavior45:47
- Example 4: Learning46:54
Section 13: Ecology
Biomes
58m 49s
- Intro0:00
- Ecology0:08
- Ecology0:14
- Environment0:22
- Integrates1:41
- Environment Impacts2:20
- Population and Distribution3:20
- Population3:21
- Range4:50
- Potential Range5:10
- Abiotic5:46
- Biotic6:22
- Climate7:55
- Temperature8:40
- Precipitation10:00
- Wind10:37
- Sunlight10:54
- Macroclimates & Microclimates11:31
- Other Abiotic Factors12:20
- Geography12:28
- Water13:17
- Soil and Rocks13:48
- Sunlight14:42
- Sunlight14:43
- Seasons15:43
- June Solstice, December Solstice, March Equinox, and September Equinox15:44
- Tropics19:00
- Seasonability19:39
- Wind and Weather Patterns20:44
- Vertical Circulation20:51
- Surface Wind Patterns25:18
- Local Climate Effects26:51
- Local Climate Effects26:52
- Terrestrial Biomes30:04
- Biome30:05
- Forest31:02
- Tropical Forest32:00
- Tropical Forest32:01
- Temperate Broadleaf Forest32:55
- Temperate Broadleaf Forest32:56
- Coniferous/Taiga Forest34:10
- Coniferous/Taiga Forest34:11
- Desert36:05
- Desert36:06
- Grassland37:45
- Grassland37:46
- Tundra40:09
- Tundra40:10
- Freshwater Biomes42:25
- Freshwater Biomes: Zones42:27
- Eutrophic Lakes44:24
- Oligotrophic Lakes45:01
- Lakes Turnover46:03
- Rivers46:51
- Wetlands47:40
- Estuary48:11
- Marine Biomes48:45
- Marine Biomes: Zones48:46
- Example 1: Diversity of Life52:18
- Example 2: Marine Biome53:08
- Example 3: Season54:20
- Example 4: Biotic vs. Abiotic55:54
Population
41m 16s
- Intro0:00
- Population0:07
- Size 'N'0:16
- Density0:41
- Dispersion1:01
- Measure Population: Count Individuals, Sampling, and Proxymeasure2:26
- Mortality7:29
- Mortality and Survivorship7:30
- Age Structure Diagrams11:52
- Expanding with Rapid Growth, Expanding, and Stable11:58
- Population Growth15:39
- Biotic Potential & Exponential Growth15:43
- Logistic Population Growth19:07
- Carrying Capacity (K)19:18
- Limiting Factors20:55
- Logistic Model and Oscillation22:55
- Logistic Model and Oscillation22:56
- Changes to the Carrying Capacity24:36
- Changes to the Carrying Capacity24:37
- Growth Strategies26:07
- 'r-selected' or 'r-strategist'26:23
- 'K-selected' or 'K-strategist'27:47
- Human Population30:15
- Human Population and Exponential Growth30:21
- Case Study - Lynx and Hare31:54
- Case Study - Lynx and Hare31:55
- Example 1: Estimating Population Size34:35
- Example 2: Population Growth36:45
- Example 3: Carrying Capacity38:17
- Example 4: Types of Dispersion40:15
Communities
1h 6m 26s
- Intro0:00
- Community0:07
- Ecosystem0:40
- Interspecific Interactions1:14
- Competition2:45
- Competition Overview2:46
- Competitive Exclusion3:57
- Resource Partitioning4:45
- Character Displacement6:22
- Predation7:46
- Predation7:47
- True Predation8:05
- Grazing/ Herbivory8:39
- Predator Adaptation10:13
- Predator Strategies10:22
- Physical Features11:02
- Prey Adaptation12:14
- Prey Adaptation12:23
- Aposematic Coloration13:35
- Batesian Mimicry14:32
- Size15:42
- Parasitism16:48
- Symbiotic Relationship16:54
- Ectoparasites18:31
- Endoparasites18:53
- Hyperparisitism19:21
- Vector20:08
- Parasitoids20:54
- Mutualism21:23
- Resource - Resource mutualism21:34
- Service - Resource Mutualism23:31
- Service - Service Mutualism: Obligate & Facultative24:23
- Commensalism26:01
- Commensalism26:03
- Symbiosis27:31
- Trophic Structure28:35
- Producers & Consumers: Autotrophs & Heterotrophs28:36
- Food Chain33:26
- Producer & Consumers33:38
- Food Web39:01
- Food Web39:06
- Significant Species within Communities41:42
- Dominant Species41:50
- Keystone Species42:44
- Foundation Species43:41
- Community Dynamics and Disturbances44:31
- Disturbances44:33
- Duration47:01
- Areal Coverage47:22
- Frequency47:48
- Intensity48:04
- Intermediate Level of Disturbance48:20
- Ecological Succession50:29
- Primary and Secondary Ecological Succession50:30
- Example 1: Competition Situation & Outcome57:18
- Example 2: Food Chains1:00:08
- Example 3: Ecological Units1:02:44
- Example 4: Disturbances & Returning to the Original Climax Community1:04:30
Energy and Ecosystems
57m 42s
- Intro0:00
- Ecosystem: Biotic & Abiotic Components0:15
- First Law of Thermodynamics & Energy Flow0:40
- Gross Primary Productivity (GPP)3:52
- Net Primary Productivity (NPP)4:50
- Biogeochemical Cycles7:16
- Law of Conservation of Mass & Biogeochemical Cycles7:17
- Water Cycle10:55
- Water Cycle10:57
- Carbon Cycle17:52
- Carbon Cycle17:53
- Nitrogen Cycle22:40
- Nitrogen Cycle22:41
- Phosphorous Cycle29:34
- Phosphorous Cycle29:35
- Climate Change33:20
- Climate Change33:21
- Eutrophication39:38
- Nitrogen40:34
- Phosphorous41:29
- Eutrophication42:55
- Example 1: Energy and Ecosystems45:28
- Example 2: Atmospheric CO248:44
- Example 3: Nitrogen Cycle51:22
- Example 4: Conversion of a Forest near a Lake to Farmland53:20
Section 14: Laboratory Review
Laboratory Review
2h 4m 30s
- Intro0:00
- Lab 1: Diffusion and Osmosis0:09
- Lab 1: Diffusion and Osmosis0:10
- Lab 1: Water Potential11:55
- Lab 1: Water Potential11:56
- Lab 2: Enzyme Catalysis18:30
- Lab 2: Enzyme Catalysis18:31
- Lab 3: Mitosis and Meiosis27:40
- Lab 3: Mitosis and Meiosis27:41
- Lab 3: Mitosis and Meiosis31:50
- Ascomycota Life Cycle31:51
- Lab 4: Plant Pigments and Photosynthesis40:36
- Lab 4: Plant Pigments and Photosynthesis40:37
- Lab 5: Cell Respiration49:56
- Lab 5: Cell Respiration49:57
- Lab 6: Molecular Biology55:06
- Lab 6: Molecular Biology & Transformation 1st Part55:07
- Lab 6: Molecular Biology1:01:16
- Lab 6: Molecular Biology 2nd Part1:01:17
- Lab 7: Genetics of Organisms1:07:32
- Lab 7: Genetics of Organisms1:07:33
- Lab 7: Chi-square Analysis1:13:00
- Lab 7: Chi-square Analysis1:13:03
- Lab 8: Population Genetics and Evolution1:20:41
- Lab 8: Population Genetics and Evolution1:20:42
- Lab 9: Transpiration1:24:02
- Lab 9: Transpiration1:24:03
- Lab 10: Physiology of the Circulatory System1:31:05
- Lab 10: Physiology of the Circulatory System1:31:06
- Lab 10: Temperature and Metabolism in Ectotherms1:38:25
- Lab 10: Temperature and Metabolism in Ectotherms1:38:30
- Lab 11: Animal Behavior1:40:52
- Lab 11: Animal Behavior1:40:53
- Lab 12: Dissolved Oxygen & Aquatic Primary Productivity1:45:36
- Lab 12: Dissolved Oxygen & Aquatic Primary Productivity1:45:37
- Lab 12: Primary Productivity1:49:06
- Lab 12: Primary Productivity1:49:07
- Example 1: Chi-square Analysis1:56:31
- Example 2: Mitosis1:59:28
- Example 3: Transpiration of Plants2:00:27
- Example 4: Population Genetic2:01:16
Section 15: The AP Biology Test
Understanding the Basics
13m 2s
- Intro0:00
- AP Biology Structure0:18
- Section I0:31
- Section II1:16
- Scoring2:04
- The Four 'Big Ideas'3:51
- Process of Evolution4:37
- Biological Systems Utilize4:44
- Living Systems4:55
- Biological Systems Interact5:03
- Items to Bring to the Test7:56
- Test Taking Tips9:53
Section 16: Practice Test (Barron's 4th Edition)
AP Biology Practice Exam: Section I, Part A, Multiple Choice Questions 1-31
1h 4m 29s
- Intro0:00
- AP Biology Practice Exam0:14
- Multiple Choice 10:40
- Multiple Choice 22:27
- Multiple Choice 34:30
- Multiple Choice 46:43
- Multiple Choice 59:27
- Multiple Choice 611:32
- Multiple Choice 712:54
- Multiple Choice 814:42
- Multiple Choice 917:06
- Multiple Choice 1018:42
- Multiple Choice 1120:49
- Multiple Choice 1223:23
- Multiple Choice 1326:20
- Multiple Choice 1427:52
- Multiple Choice 1528:44
- Multiple Choice 1633:07
- Multiple Choice 1735:31
- Multiple Choice 1839:43
- Multiple Choice 1940:37
- Multiple Choice 2042:47
- Multiple Choice 2145:58
- Multiple Choice 2249:49
- Multiple Choice 2353:44
- Multiple Choice 2455:12
- Multiple Choice 2555:59
- Multiple Choice 2656:50
- Multiple Choice 2758:08
- Multiple Choice 2859:54
- Multiple Choice 291:01:36
- Multiple Choice 301:02:31
- Multiple Choice 311:03:50
AP Biology Practice Exam: Section I, Part A, Multiple Choice Questions 32-63
50m 44s
- Intro0:00
- AP Biology Practice Exam0:14
- Multiple Choice 320:27
- Multiple Choice 334:14
- Multiple Choice 345:12
- Multiple Choice 356:51
- Multiple Choice 3610:46
- Multiple Choice 3711:27
- Multiple Choice 3812:17
- Multiple Choice 3913:49
- Multiple Choice 4017:02
- Multiple Choice 4118:27
- Multiple Choice 4219:35
- Multiple Choice 4321:10
- Multiple Choice 4423:35
- Multiple Choice 4525:00
- Multiple Choice 4626:20
- Multiple Choice 4728:40
- Multiple Choice 4830:14
- Multiple Choice 4931:24
- Multiple Choice 5032:45
- Multiple Choice 5133:41
- Multiple Choice 5234:40
- Multiple Choice 5336:12
- Multiple Choice 5438:06
- Multiple Choice 5538:37
- Multiple Choice 5640:00
- Multiple Choice 5741:18
- Multiple Choice 5843:12
- Multiple Choice 5944:25
- Multiple Choice 6045:02
- Multiple Choice 6146:10
- Multiple Choice 6247:54
- Multiple Choice 6349:01
AP Biology Practice Exam: Section I, Part B, Grid In
21m 52s
- Intro0:00
- AP Biology Practice Exam0:17
- Grid In Question 10:29
- Grid In Question 23:49
- Grid In Question 311:04
- Grid In Question 413:18
- Grid In Question 517:01
- Grid In Question 619:30
AP Biology Practice Exam: Section II, Long Free Response Questions
31m 22s
- Intro0:00
- AP Biology Practice Exam0:18
- Free Response 10:29
- Free Response 220:47
AP Biology Practice Exam: Section II, Short Free Response Questions
24m 41s
- Intro0:00
- AP Biology Practice Exam0:15
- Free Response 30:26
- Free Response 45:21
- Free Response 58:25
- Free Response 611:38
- Free Response 714:48
- Free Response 822:14
Loading...