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Biological molecules
3.1.1
Monomers and polymers
3.1.2
Carbohydrates — monosaccharides and disaccharides
3.1.3
Lipids — triglycerides and phospholipids
3.1.4
Proteins
3.1.4.2
Enzymes and enzyme activity
3.1.5
Nucleic acids — DNA and RNA
3.1.6
ATP — structure and synthesis
Cells
3.2.1.1
Eukaryotic cell structure — role of organelles in protein secretion
3.2.1.2
Methods of studying cells
3.2.1.3
Cell fractionation and ultracentrifugation
3.2.2
All cells arise from other cells — mitosis
3.2.3
Transport across cell membranes
Energy transfers
3.5.3
Animal behaviour — courtship and reproduction
Exchange and transport
3.3.1
Surface area to volume ratio
3.3.2
Gas exchange — ventilation and the alveoli
3.3.3
Digestion and absorption
3.3.4
Mass transport in animals — heart, blood vessels and the cardiac cycle
Genetic information & variation
3.4.1
DNA, genes and chromosomes — the genetic code
Topics
AQA 7402 specification
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Notes