AQA
A-Level Biology Revision
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AS Unit 1
Enzymes and the Digestive System
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2.1 Enzymes and Digestion
2.2 Carbohydrates - monosaccharides
2.3 Carbohydrates - Disaccharides and Polysaccharides
2.4 Carbohydrate Digestion
2.5 Proteins
2.6 Enzyme Action
2.7 Factors Affecting Enzyme Action
2.8 Enzyme Inhibition
Cells and Movement In and Out of them
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3.1 Investigating Cell Structure
3.2 The Electron Microscope
3.3 Structure of an Epithelial Cell
3.4 Lipids
3.5 The Cell-surface Membrane
3.6 Diffusion
3.7 Osmosis
3.8 Active Transport
3.9 Absorbtion in the Small Intestine
3.10 Cholera
3.11 Oral Rehydration Therapy
Lungs and Lung Disease
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4.1 Structure of the Human Gas-exchange System
4.2 The Mechanism of Breathing
4.3 Exchange of Gases in the Lungs
4.4 Lung Disease - Pulmonary Tuberculosis
4.5 Lung Disease - Fibrosis, Asthma and Emphysema
The Heart and Heart Disease
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5.1 The Structure of the Heart
5.2 The Cardiac Cycle
5.3 Heart Disease
Immunity
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6.1 Defence Mechanisms
6.2 Phagocytosis
6.3 T Cells and Cell-mediated Immunity
6.4 B cells and Humoral Immunity
6.5 Antibodies
6.6 Vaccination
AS Unit 2
Variation
DNA and Meiosis
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8.4 Meiosis and Genetic Variation
Exchange and Transport
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13.5 Circulatory system of a mammal