BiologyGuide | AS & A Level Biology Revision

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Revision

Revision notes designed for AS and A Level Biology students. We cover the new AQA Biology specifications!

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Recommended by the Guardian in 2007

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Cells & Molecules

Cell Division Cell Types Cell Ultrastructure Enzymes - fast, specific catalysts Gene Technology Genes, DNA, RNA Large Molecules Plasma Membrane Respiration

Diseases

Bacteria Cancer Coronary Heart Disease Diagnosis Immune System Parasites Treatment Viruses

Evolution & Ecosystem

Ecosystem Five Kingdoms Human Activity Inheritance Nutrient Cycle Photosynthesis Selection Variation

Human Biology

Development Digestion Growth Heart Homeostasis Human Body Lungs Nervous System Nutrition Receptors Reproduction Respiratory Gases Senescence Skeletal Muscle