1. 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 Structure3. Genetics4. Ecology5. Evolution and Biodiversity6. Human Physiology7. Nucleic Acids (HL Only)8. Metabolism, Cell Respiration, and Photosynthesis (HL Only)9. Plant Biology (HL Only)10. Genetics and Evolution (HL Only)10.1 Meiosis10.2 Inheritance 10.3 Gene Pools and Speciation11. Animal Physiology (HL Only)11.1 Antibody Production and Vaccination11.2 Movement11.3 The Kidney and Osmoregulation11.4 Sexual Reproduction