| Term | Definition |
|---|
| exocytosis | secretion of material at the plasma membrane |
| coupled transport | sodium ions coupling with sugar molecules to enter cell |
| facilitated diffusion | transport proteins move ions and small molecules into the membrane by carrier proteins |
| diffusion | random motion of particles from an area of high concentration to low concentration |
| rate of diffusion affected by | pressure, concentration and temperature |
| osmosis | diffusion of water across a selectively permeable membrane |
| isotonic | when a cell in a solution has the same concentration of water and solutes as its cytoplasm in the cell |
| active transport | movement of substances across a concentration gradient requiring energy |
| concentration | amount of substance in a particular area |
| endocytosis | process by which a cell surrounds a substance in a portion of the plasma membrane and pinches it off leaving the substance inside the cell |
Combine with other sets
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