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22 skills
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Paper 1

Recall
Cell biology map (what to revise)
Organisation map (what to revise)
Infection & response map (what to revise)
Bioenergetics map (what to revise)
Cell structure (prokaryote vs eukaryote)
Organelles and their functions (nucleus, mitochondria, ribosomes)
Cell differentiation and specialised cells
Organisation levels (cells → tissues → organs → organ systems)
Plant stem cells (meristems)
Apply
Transport in cells (diffusion, osmosis, active transport)
Surface area and diffusion (cells + exchange surfaces)
Osmosis in plant vs animal cells (turgid/flaccid/plasmolysed)
Microscopy: magnification, image size and real size
Stem cells (basics + uses)
Mitosis and the cell cycle
Exam
Stem cells: therapy, risks and ethics
Required practical: osmosis in potato cylinders
Required practicals (Paper 1)

Paper 2

Recall
Homeostasis basics (internal conditions)
Inheritance & evolution map (what to revise)
Ecology map (what to revise)
Exam
Required practicals (Paper 2)