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8.3 vocab
vocab
| Term | Definition |
|---|---|
| Homeostasis | a cell maintaining a condition of equilibrium or balance |
| Diffusion | solute molecules moving from an area of high solute concentration to low solute concentration |
| Facilitated Diffusion | molecules diffuse across the plasma membrane with assistance from membrane proteins |
| Osmosis | the movement of water to an area with less water OR more solute |
| Aquaporin | a channel in the cell membrane that transfers water |
| Isotonic | water and solute concentrations are equal in and out of the cell |
| Hypertonic | solute concentration is higher outside the cell |
| Hypotonic | solute concentration is lower outside the cell |
| Osmotic Pressure | the pressure caused by water movement across the membrane |