• 1. Biomolecules

• 1.1 Water

• 1.2 Organic Compounds

• 1.3 Nucleic Acids

• 1.4 Carbohydrates

• 1.5 Lipids

• 1.6 Proteins

• 2. Cells

• 2.1 Cell Theory

• 2.2 Types of Cells

• 2.3 Specialisation

• 2.4 Membrane Structure

• 2.5 Membrane Transport

• 2.6 Origin of Cells (AHL)

• 2.7 Cell Structures (AHL)

• 2.8 Cell Membranes (AHL)

• 3. Metabolism

• 3.1 Enzymes

• 3.2 Cell Respiration

• 3.3 Photosynthesis

• 3.4 Enzymes (AHL)

• 3.5 Cell Respiration (AHL)

• 3.6 Photosynthesis (AHL)

• 4. Genetics

• 4.1 Transcription

• 4.2 Translation

• 4.3 Mutation

• 4.4 Transcription (AHL)

• 4.5 Translation (AHL)

• 4.6 Epigenetics (AHL)

• 5. Heredity

• 5.1 DNA Replication

• 5.2 Cell Division

• 5.3 Inheritance

• 5.4 DNA Replication (AHL)

• 5.5 Gene Linkage (AHL)

• 5.6 Biotechnology (AHL)

• 6. Equilibrium

• 6.1 System Integration

• 6.2 System Regulation

• 7. Body Systems

• 7.1 Respiratory System

• 7.2 Vascular System

• 7.3 Immune System

• 7.4 Nervous System

• 7.5 Reproductive System

• 8. Plant Systems

• 8.1 Plant Structure

• 8.2 Transpiration

• 8.3 Germination

• 9. Biodiversity

• 9.1 Evolution

• 9.2 Natural Selection

• 9.3 Classification

• 9.4 Extinction

• 10. Nutrition

• 10.1 Ecological Niches

• 10.2 Energy Transfer

• 10.3 Nutrient Cycling

• 11. Ecology

• 11.1 Populations

• 11.2 Communities

• 11.3 Habitats

• 11.4 Ecosystems

• 11.5 Succession (AHL)

• 11.6 Seasonal Changes (AHL)

• 12. Human Impacts

• 12.1 Pollution

• 12.2 Climate Change