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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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03/04/2023
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Percentages * These are easy Percentages to remember converted from fractions: * 1/2 = 50% * 1/5= 20% * 1/4 = 25% * 3/4 = 75% * 1/10 = 10% * 3/10 = 30% * 4/10 = 40% Fractions * 6/10 ( or 3/5) = 60% * 8/10 Or 4/5 = 80% * 7/10 = 70% * 9/10 = 90% * These are major fractions to remember that converted from decimals: and Percentages * 0.1 = 1/10 and 10% * 0.2 = 2/10 or 1/5 and 20% * 0.3 = 3/10 and 30% * 0.4 = 4/10 or 2/5 and 40% * 0.5 = 5/10 or 1/2 and 50% * 0.6 = 6/10 or 3/5 and 60% *0.7 = 7/10 and 70% * 0.8 = 8/10 or 4/5 and 80% * 0.9 = 9/10 and 90% Decimals Here are Decimals to remember converted from fractions: * 1/10 = 0.1 * 2/10 = 0.2 * 3/10 = 0.3 * 4/10 = 0.4 * 1/2 (5/10) = 0.5 * 6/10 = 0.6 * 7/10 = 0.7 * 8/10 = 0.8 * 9/10 = 0.9 * 10/10 = 1
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