BRAINCAKEOsmosis in Plant Cells
When plant cells are placed in solutions of different water potential, water moves by osmosis, but the cell wall changes what happens.
Hypotonic solution (higher water potential than the cell, e.g. pure water): water enters the vacuole and the protoplast (the membrane and everything inside it) swells and presses against the cell wall. The wall is strong and resists, so the cell does not burst. The cell becomes turgid. Turgid cells press against each other and support the plant.
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More in Cell Transport Mechanisms
- Modelling Osmosis
- Osmotic Concentrations
- Osmosis in Animal Cells
- Water Potential in Plant Cells
- Turgor Pressure (P)
- Osmotic Potential (π)
- Water Potential, Turgor Pressure and Osmotic Potential
- Active Transport
All 18 lessons in Cell Transport Mechanisms · All Edexcel AS-level Biology topics