Introduction; 1. Cell biology; 2. Molecular biology; 3. Genetics; 4. Ecology; 5. Evolution and biodiversity; 6. Human physiology; 7. Nucleic acids HL; 8. Metabolism, cell respiration and photosynthesis HL; 9. Plant biology HL; 10. Genetics and evolution HL; 11. Animal physiology HL; Option A. Neurobiology and behaviour; Option B. Biotechnology and bioinformatics; Option C. Ecology and conservation; Option D. Human health and physiology; CD-ROM. Answers to exercises; Answers to exam-style questions.