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Infection and response
Organisation
Cell biology
Biological molecules
Homeostasis and response
Responding to change (a2 only)
Energy transfers (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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1f industrialisation and the people: britain, c1783-1885
1c the tudors: england, 1485-1603
Britain & the wider world: 1745 -1901
Inter-war germany
World war one
2n revolution and dictatorship: russia, 1917-1953
World war two & the holocaust
1l the quest for political stability: germany, 1871-1991
The cold war
2j america: a nation divided, c1845-1877
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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06/06/2023
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Biology: cell nucleus membrane Animal 0 animal cell J early stages of development only for repair and replacement Cell differenciation: how a cell changes to becomes Specialised; undifferenciated cells are called STEM cells. Cytoplasm O ribsome cell wall mitochondria chloroplast Plant 00 O Perminant vacuole nerve cell- cames electrical Signals Sperm cell fertilise the eggments any water and 10 Plant cell 1 All stages of life cycle the stem cells an grouped together in meristems. I Root hair - Jabsorbs water & minerals from the soil. Muscle - - Phloem Contracts to allow movement. carry glucose O Microscopes Magnification or resolution • 80 1 tells us how many times larger an image is seen through microscope is compared to the real object. • Magnification = Image Size actual size tonaries Resolution is the ability to distinguish between two or more objects that are not close together
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