1. Molecules in cells and water -- 2. Proteins -- 3. Enzymes -- 4. Cell membranes -- 5. Gas transport by the blood -- 6. Carbohydrate and fat catabolism -- 7. Other carbohydrate metabolic pathways -- 8. Protein and amino acid metabolism -- 9. Lipid synthesis and transport -- 10. Integration of metabolism -- 11. Purine and pyrimidine nucleotides -- 12. DNA structure and function -- 13. RNA structure and function -- 14. The synthesis of proteins -- 15. Molecular aspects of viruses -- 16. Biochemical functions of the liver -- 17. The biochemistry of the endocrine system -- 18. Nutrition -- 19. Biochemical functions of blood -- 20. Biochemical genetics and inborn errors of metabolism