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Cell biology
Biological molecules
Organisation
Infection and response
Energy transfers (a2 only)
Homeostasis and response
Responding to change (a2 only)
The control of gene expression (a-level only)
Substance exchange
Bioenergetics
Genetic information & variation
Inheritance, variation and evolution
Genetics & ecosystems (a2 only)
Ecology
Cells
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1c the tudors: england, 1485-1603
1l the quest for political stability: germany, 1871-1991
Inter-war germany
1f industrialisation and the people: britain, c1783-1885
Britain & the wider world: 1745 -1901
2n revolution and dictatorship: russia, 1917-1953
2j america: a nation divided, c1845-1877
The cold war
World war two & the holocaust
World war one
Medieval period: 1066 -1509
The fight for female suffrage
2m wars and welfare: britain in transition, 1906-1957
2d religious conflict and the church in england, c1529-c1570
Britain: 1509 -1745
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05/01/2023
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biology enzymes digestion of carbohydrates (contain C, H, and O) large carbohydrate molecules (sugar and Starch) mult be broken clown into smaller glucose molecules before. they can be used by the body. 10 2 Starch molecule is made up of many glucose molecules.. glycerol) -fatty acid I fatty acid 2 3 digestion breaks down a carbohydrate Molecule. {facty and 3) a fat molecule is made up of Fatty acid and giycerol molecules date 1/12/22 digestion of fats (lipids contain C. H and 0) large fat molecules must be broken down into smaller fatty acid and glycerol molecules bekove oney can be used by one body. 0 (glycerol) (2) (fatty acid) digestion. breaks down. fat molecule. O glucose O molecules. fatty acid (fatty acid 3) fatty acid and glycerol molecule). digestion of proteins (contain C,H,O,N and S) large protein molecules must be broken down into smaller amino acid molecule) before they can be wed by the body. 11 3 E Protein molecule is made up of many different amino acias. (3) 0 enzymes - are biological catalysts - speed up reactions are proteins active site ER Z 2 enzyme digestion breaks down protein molecule.. substrate enzyme- product Complex date 3 0 1 O B 4 amino acids. enzyme- Substrate complex ™™ B enzyme + products. enzymes are specific - one enzyme speed, up one reaction. ↑ ce rate rate optimum ✓ temp 2 1 temp °/c ← 7 optimum pH date enzyme no longer Works protease amylase lipase (stomach) (mouth) (small intestine) DENATURED (active site changes Shape - Substrate no longer fits.) 9 E i
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