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Osmosis
| Term | Definition |
|---|---|
| Diffusion | The movement of [gas or liquid] molecules from a region of higher concentration to a region of lower concentration |
| Osmosis | The movement of water molecules from a hypotonic solution to a hypertonic solution across a S.P.M selectively permeable membrane |
| Turgor | The state of fullness in a plant cell due to the intake of water |
| Turgor Pressure | state of a plant cell due to forces built up in the cell due to incoming water |
| Hypotonic | a solution with a lower solute concentration[more dilute] than the surrounding solution. |
| Hypertonic | a solution with a higher solute concentration than the surrounding solution |
| Isotonic | a solution with the same solute concentration as another solution |
| Semi Permeable Membrane | a barrier that allows certain molecules [or ions] to pass through but not others, depending on size, |
| Impermeable membrane | a barrier that cannot be penetrated by particles of solids or liquids |
| permeable membrane | a barrier that allows all molecules [and ions] to pass through irrespective of size |
| Passive transport | movement of substances across the cell membrane which does not involve the use of energy by the cell |
| Active transport | movement of substances across the cell membrane which does involve the use of energy by the cell |
| Plasmolysis | the shrinking of the cell membrane away from the cell wall with the loss of turgidity as a result of water being drawn out of the cell by osmosis. |
Created by:
Biology Waterpark
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