1. Cell Structure

• 1.1 The Microscope in Cell Studies
• 1.2 Cells as the Basic Units of Living Organisms

2. Biological Molecules

• 2.1 Testing for Biological Molecules
• 2.2 Carbohydrates & Lipids
• 2.3 Proteins
• 2.4 Water

3. Enzymes

• 3.1 Mode of Action of Enzymes
• 3.2 Factors that Affect Enzyme Action

4. Cell Membranes & Transport

• 4.1 Fluid Mosaic Membranes
• 4.2 Movement into & out of Cells

5. The Mitotic Cell Cycle

• 5.1 Replication & Division of Nuclei & Cells
• 5.2 Chromosome Behaviour in Mitosis

6. Nucleic Acids & Protein Synthesis

• 6.1 Structure of Nucleic Acids & Replication of DNA
• 6.2 Protein Synthesis

7. Transport in Plants

• 7.1 Structure of Transport Tissues
• 7.2 Transport Mechanisms

8. Transport in Mammals

• 8.1 The Circulatory System
• 8.2 Transport of Oxygen & Carbon Dioxide
• 8.3 The Heart

9. Gas Exchange

• 9.1 The Gas Exchange System

10. Infectious Diseases

• 10.1 Infectious Diseases
• 10.2 Antibiotics

11. Immunity

• 11.1 The Immune System
• 11.2 Antibodies & Vaccination

12. Energy & Respiration

• 12.1 Energy
• 12.2 Respiration

13. Photosynthesis

• 13.1 Photosynthesis as an Energy Transfer Process
• 13.2 Investigation of Limiting Factors

14. Homeostasis

• 14.1 Homeostasis in Mammals
• 14.2 Homeostasis in Plants

15. Control & Coordination

• 15.1 Control & Coordination in Mammals
• 15.2 Control & Coordination in Plants

16. Inheritance

• 16.1 Passage of Information from Parents to Offspring
• 16.2 The Roles of Genes in Determining the Phenotype
• 16.3 Gene Control

17. Selection & Evolution

• 17.1 Variation
• 17.2 Natural & Artificial Selection
• 17.3 Evolution

18. Classification, Biodiversity & Conservation

• 18.1 Classification
• 18.2 Biodiversity
• 18.3 Conservation

19. Genetic Technology

• 19.1 Principles of Genetic Technology
• 19.2 Genetic Technology Applied to Medicine
• 19.3 Genetically Modified Organisms in Agriculture