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Biology AS
- Preliminaries
- 1. Cell structure*
- 2. Biological molecules
- 3. Enzymes
- 4. Cell membrane and transport
- 5. Mitotic cell cycle
- 6. Nucleic acid and protein synthesis
- 7. Transport in plants
- 8. Transport in mammals
- 9. Gas exchange and smoking
- 10. Infectious diseases
- 11. Immunity