CIE AS Biology 2019-2021: Revision Notes

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Detailed revision notes for the CIE AS Biology 2019-2021 (9700) syllabus

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 & 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 of Substances 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 & 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 The Heart

9. Gas Exchange & Smoking

9.1 The Gas Exchange System

9.2 Smoking

10. Infectious Disease

10.1 Infectious Diseases

10.2 Antibiotics

11. Immunity

11.1 The Immune System

11.2 Antibodies & Vaccination