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Cambridge A Level Biology

Syllabus 9700 · For examination in 2025, 2026 and 2027 · sourced from Cambridge International -- official AS & A Level Biology (9700) syllabus PDF, Version 1, published September 2022, verified 2026-08-19.

  1. 1. Cell structure (AS)

    • 1.1 The microscope in cell studies
    • 1.2 Cells as the basic units of living organisms

  2. 2. Biological molecules (AS)

    • 2.1 Testing for biological molecules
    • 2.2 Carbohydrates and lipids
    • 2.3 Proteins
    • 2.4 Water

  3. 3. Enzymes (AS)

    • 3.1 Mode of action of enzymes
    • 3.2 Factors that affect enzyme action

  4. 4. Cell membranes and transport (AS)

    • 4.1 Fluid mosaic membranes
    • 4.2 Movement into and out of cells

  5. 5. The mitotic cell cycle (AS)

    • 5.1 Replication and division of nuclei and cells
    • 5.2 Chromosome behaviour in mitosis

  6. 6. Nucleic acids and protein synthesis (AS)

    • 6.1 Structure of nucleic acids and replication of DNA
    • 6.2 Protein synthesis

  7. 7. Transport in plants (AS)

    • 7.1 Structure of transport tissues
    • 7.2 Transport mechanisms

  8. 8. Transport in mammals (AS)

    • 8.1 The circulatory system
    • 8.2 Transport of oxygen and carbon dioxide
    • 8.3 The heart

  9. 9. Gas exchange (AS)

    • 9.1 The gas exchange system

  10. 10. Infectious diseases (AS)

    • 10.1 Infectious diseases
    • 10.2 Antibiotics

  11. 11. Immunity (AS)

    • 11.1 The immune system
    • 11.2 Antibodies and vaccination

  12. 12. Energy and respiration (A)

    • 12.1 Energy
    • 12.2 Respiration

  13. 13. Photosynthesis (A)

    • 13.1 Photosynthesis as an energy transfer process
    • 13.2 Investigation of limiting factors

  14. 14. Homeostasis (A)

    • 14.1 Homeostasis in mammals
    • 14.2 Homeostasis in plants

  15. 15. Control and coordination (A)

    • 15.1 Control and coordination in mammals
    • 15.2 Control and coordination in plants

  16. 16. Inheritance (A)

    • 16.1 Passage of information from parents to offspring
    • 16.2 The roles of genes in determining the phenotype
    • 16.3 Gene control

  17. 17. Selection and evolution (A)

    • 17.1 Variation
    • 17.2 Natural and artificial selection
    • 17.3 Evolution

  18. 18. Classification, biodiversity and conservation (A)

    • 18.1 Classification
    • 18.2 Biodiversity
    • 18.3 Conservation

  19. 19. Genetic technology (A)

    • 19.1 Principles of genetic technology
    • 19.2 Genetic technology applied to medicine
    • 19.3 Genetically modified organisms in agriculture