1. Cell Biology1.1 Introduction to Cells1.2 Ultrastructure of Cells1.3 Membrane Structure1.4 Membrane Transport1.5 The Origin of Cells1.6 Cell Division1. Cell Biology1.1 Introduction to Cells1.2 Ultrastructure of Cells1.3 Membrane Structure1.4 Membrane Transport1.5 The Origin of Cells1.6 Cell Division2. Molecular Biology2.1 Molecules to Metabolism2.2 DNA and RNA Structure2.3 DNA Transcription and Translation2.4 Cell Respiration2.5 Photosynthesis2.6 Proteins2.7 Bioinformatics2. Molecular Biology2.1 Molecules to Metabolism2.2 DNA and RNA Structure2.3 DNA Transcription and Translation2.4 Cell Respiration2.5 Photosynthesis2.6 Proteins2.7 Bioinformatics3. Genetics3.1 Genes3.2 Chromosomes3.3 Meiosis3.5 Genetic Modification and Biotechnology3. Genetics3.1 Genes3.2 Chromosomes3.3 Meiosis3.5 Genetic Modification and Biotechnology4. Ecology4.1 Introduction to Ecology4.2 Populations4.3 Communities and Ecosystems4.4 Conservation and Biodiversity4.5 Climate Change4. Ecology4.1 Introduction to Ecology4.2 Populations4.3 Communities and Ecosystems4.4 Conservation and Biodiversity4.5 Climate Change5. Evolution and Biodiversity5.1 Theory of Evolution5.2 Speciation5.3 Phylogeny5.4 Human Evolution5.5 Biodiversity and Conservation5. Evolution and Biodiversity5.1 Theory of Evolution5.2 Speciation5.3 Phylogeny5.4 Human Evolution5.5 Biodiversity and Conservation6. Human Physiology6.1 Digestion and Absorption6.2 The Blood System6.3 Defense Against Infectious Diseases6.4 Gas Exchange6.5 Nerves and Synapses6.6 Hormones, Homeostasis, and Reproduction6. Human Physiology6.1 Digestion and Absorption6.2 The Blood System6.3 Defense Against Infectious Diseases6.4 Gas Exchange6.5 Nerves and Synapses6.6 Hormones, Homeostasis, and Reproduction7. Nucleic Acids (HL Only)7.1 DNA Structure7.2 DNA Replication7.3 Transcription7.4 Translation7.5 Gene Expression7. Nucleic Acids (HL Only)7.1 DNA Structure7.2 DNA Replication7.3 Transcription7.4 Translation7.5 Gene Expression8. Metabolism, Cell Respiration, and Photosynthesis (HL Only)8.1 Metabolism8.2 Cell Respiration8.3 Photosynthesis8. Metabolism, Cell Respiration, and Photosynthesis (HL Only)8.1 Metabolism8.2 Cell Respiration8.3 Photosynthesis9. Plant Biology (HL Only)9.1 Transport in the Xylem of Plants 9.2 Transport in the Phloem of Plants9.3 Growth in Plants9.4 Reproduction in Plants9. Plant Biology (HL Only)9.1 Transport in the Xylem of Plants 9.2 Transport in the Phloem of Plants9.3 Growth in Plants9.4 Reproduction in Plants10. Genetics and Evolution (HL Only)10.1 Meiosis10.3 Gene Pools and Speciation10.2 Inheritance 10. Genetics and Evolution (HL Only)10.1 Meiosis10.3 Gene Pools and Speciation10.2 Inheritance 11. Animal Physiology (HL Only)11.1 Antibody Production and Vaccination11.2 Movement11.3 The Kidney and Osmoregulation11.4 Sexual Reproduction11. Animal Physiology (HL Only)11.1 Antibody Production and Vaccination11.2 Movement11.3 The Kidney and Osmoregulation11.4 Sexual Reproduction