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8 Cards in this Set
- Front
- Back
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phospholipid |
lipid that contains phosphorus and that is a structural component |
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lipid bi-layer |
basic structure of a biological membrane composed of two layers of phospholipids |
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equilibrium |
state that exists when the concentration of a substance is the same throughout a space |
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concentration gradient |
difference in the concentration of a substance across a distance |
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diffusion |
movement of particles from regions of higher density to regions of lower density |
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carrier protein |
protein that transports substances across a cell membrane |
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osmosis |
diffusion of water or another solvent from a more dilute solution to a more concentrated solution through a membrane that is premeable to the solvent |
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sodium-potassium pump |
carrier protein that uses ATP to actively transport sodium ions out of a cell and potassium ions into the cell |
