‹ GCSE Combined and Separate Science
Cell biology
Cell structure, microscopy and magnification, specialised and stem cells, mitosis, diffusion, osmosis and active transport, and culturing bacteria.
Start: Animal, plant and bacterial cells About 20 min
Lessons
Practise and test
By the end you can
Name the parts of animal, plant and bacterial cells and say what they do Calculate magnification, image size and real size with mm, μm and nm Describe differentiation and evaluate the use of stem cells Use the cell cycle and 2ⁿ to count cells and time stages Explain diffusion, osmosis and active transport and analyse the osmosis practical Calculate bacterial numbers and clear-zone areas (Biology only) Revision notes
Specifications AQA 8461 (Biology) 4.1AQA 8464 (Combined Trilogy) 4.1Pearson Edexcel 1BI0 and 1SC0 Topics 1 and 2OCR Gateway J247 and J250 B1 and B2
Next unit: Organisation: tissues, organs, digestion and circulation
AQA, Pearson Edexcel and OCR are registered trade marks of their owners. Brainlag Learn is independent: it is not affiliated with or endorsed by any exam board, and every question on it is original.
