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GCSE Biology revision course
Cells, organisms, ecology and inheritance.
1 chapters · 2 lessons · quizzes and mock exams
Sign up to start — 3 lessons freeChapter 1: Cell biology
Transport in cells and how enzymes work.
- Cell Transport — Diffusion, osmosis and active transport, plus surface area to volume.5 min
- Enzymes — Lock and key, active sites, and the effect of temperature and pH.5 min