Key term for OCR GCSE Biology A, used in Practical activities.
The net movement of water molecules from a region of higher water potential to a region of lower water potential through a partially permeable membrane.
Osmosis 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
Community level systems
Ecosystems • Carbon and water cycles
Organism level systems
Homeostasis • Effect of ADH
Organism level systems
Homeostasis • Function of kidneys
Organism level systems
Homeostasis • Osmotic changes
Organism level systems
Homeostasis • Diabetes
Organism level systems
Homeostasis • Glucagon and blood sugar
Organism level systems
Homeostasis • Insulin and blood sugar
Organism level systems
Homeostasis • Response to challenges
Scaling up
Supplying the cell • Transport in cells
Scaling up
The challenges of size • Factors affecting water uptake
Scaling up
The challenges of size • Transpiration and translocation
Scaling up
The challenges of size • Water and mineral uptake
Scaling up
The challenges of size • Substances transported
Scaling up
Supplying the cell • Cell differentiation
Cell level systems
Photosynthesis • Process of photosynthesis
Cell level systems
Respiration • Role of sugars
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