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AS
4 Cell membranes and transport
6 Nucleic acids and protein synthesis
8 Transport in animals
9 Gas exchange and smoking
PRACTICAL GUIDE
A2
14 Homeostasis
15 Control and co-ordination
17 Selection and evolution
18 Biodiversity, classification and conservation
19 Genetic technology
PRACTICAL GUIDE
CAMBRIDGE BIOLOGY
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Cambridge AS Paper 3
Practical Guide for
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