IB Biology HL
125 lessons across 4 topics
1. Unity and Diversity
1Basis Of The Genetic Code2Cell Theory3Chargaff’s Data4Cladistics And Cladograms5Conservation Of Biodiversity6Diversity Of Organisms7Dna And Rna Structure8Dna Structure9Eukaryotic Cells10Evidence For Evolution11Evolution Of Cells12Formation Of Carbon Compounds13Hydrogen Bonds14In Situ And Ex Situ Conservation15Lytic And Lysogenic Cycles16Microscopy And Cell Ultrastructure17Nucleic Acid Structure And Function18Nucleosomes And Molecular Visualisation19Origin Of Water On Earth20Physical And Chemical Properties Of Water21Prokaryotic Cells22Selection Pressures23Speciation24Stem Cells25Taxonomy And Classification26The Hershey-chase Experiment27Viral Structure28Viruses And Acellular Life
2. Form and Function
29Active Transport30Adaptation To Environment31Carbohydrates32Cell Specialization33Denaturation Of Proteins34Differentiation And Gene Activation35Diffusion36Ecological Niches37Gas Exchange Surfaces38Lipids39Membrane Fluidity40Membrane Structure41Membrane Transport Proteins42Mitochondria And Chloroplasts43Muscle And Motility44Organelles And Compartmentalization45Osmosis46Protein Function47Protein Structure48Realised And Fundamental Niches49Skeletal, Cardiac, And Smooth Muscle50Sliding Filament Mechanism51Surface Area To Volume Ratio52The Circulatory System53The Endomembrane System54Transport In Animals55Transport In Plants56Ventilation And Diffusion Gradients57Xylem And Phloem
3. Interaction and Interdependence
58Action Potentials59Adaptive Immunity60Anaerobic Respiration61Antibodies And Vaccination62Atp As An Energy Carrier63Cell Respiration Overview64Chemical Signalling65Defence Against Disease66Ecological Pyramids67Enzyme-substrate Interactions68Enzymes As Biological Catalysts69Factors Affecting Enzyme Activity70Factors Affecting Photosynthesis71Food Chains And Food Webs72Glycolysis73Homeostatic Coordination Between Systems74Hormones And Receptors75Innate Immunity76Integration Of Body Systems77Light-dependent Reactions78Light-independent Reactions79Limiting Factors80Link Reaction And Krebs Cycle81Metabolism82Neural Signalling83Oxidative Phosphorylation84Photosynthesis Overview85Population Growth86Populations And Communities87Signal Transduction Pathways88Synaptic Transmission89The Resting Potential90Transfer Of Energy And Matter91Trophic Levels
4. Continuity and Change
92Biological Responses To Climate Change93Chi-squared Testing In Genetics94Climate Change95Crispr-cas996Dihybrid Inheritance97Dna Replication98Epigenetics99Feedback Mechanisms100Gametogenesis101Gene Editing102Gene Expression103Homeostasis104Human Impact On Ecosystems105Inheritance106Meiosis107Mitosis108Monohybrid Inheritance109Mutations110Natural Selection111Osmoregulation112Protein Synthesis Overview113Regulation Of Transcription114Reproduction115Semi-conservative Replication116Sex Linkage117Sexual And Asexual Reproduction118Sustainability And Change119The Cell Cycle120Thermoregulation121Transcription122Translation123Variation And Adaptation124Water Movement In Cells And Tissues125Water Potential