Key term for OCR GCSE Biology A, used in Practical activities.
A membrane that allows certain small molecules (like water) to pass through, but prevents the passage of larger molecules.
Partially permeable membrane appears in OCR GCSE Biology A revision content for Practical skills, especially Practical activities and Transport in and out of cells.
Practical skills
Practical activities • Transport in and out of cells
Organism level systems
Homeostasis • Osmotic changes
Scaling up
Supplying the cell • Transport in cells
Scaling up
The challenges of size • Water and mineral uptake
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