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Cambridge International AS & A Level Biology (9700)

1. Cell Structure

1.1 The Microscope in Cell Studies

1.2 Cells as Basic Units of Living Organisms

2. Biological Molecules

2.1 Testing for Biological Molecules

2.2 Carbohydrates and Lipids

3.1 Mode of Action

3.2 Factors Affecting Enzyme Action

4. Cell Membranes and Transport

4.1 Fluid Mosaic Membranes

4.2 Movement Into and Out of Cells

5. The Mitotic Cell Cycle

5.1 Replication and Division

5.2 Chromosome Behaviour in Mitosis

6. Nucleic Acids and Protein Synthesis

6.1 Structure of Nucleic Acids and DNA Replication

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 and Carbon Dioxide

9. Gas Exchange

9.1 The Gas Exchange System

10. Infectious Diseases

10.1 Infectious Diseases

10.2 Antibiotics

11.1 The Immune System

11.2 Antibodies and Vaccination

Practical assessment skills

Paper 3 Advanced Practical Skills

Mathematical and statistical skills

AS and A Level mathematical requirements

Concept/A-Level CAIE Biology/AS/4. Cell Membranes and Transport/4.1 Fluid Mosaic Membranes

4.1 Fluid Mosaic Membranes

Syllabus: 2028–2030
Topic: 4.1
Level: AS

What you’ll learn

4 learning objectives

Choose one objective for a focused lesson, or study the complete topic.

Study checklist4.1 Fluid Mosaic Membranes