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| A lipid that contains phophorus and that is a structural component in cell membranes. | ||
| the basic structure of a biological membrane, composed of two layers of phospholipids. | ||
| a state that exists when the concentration of a substance is the same throughout space. | ||
| a difference in the concentration of a substance across a distance. | ||
| the movement of particles from regions of higher density to regions of lower density. | ||
| a protein that transports substance across a cell membrane. | ||
| the diffusion of water or another solvent from a more dilute solution(of a solute) to a more concentrated solution (of the solute) through a membrane that is permeable to the solvent.` | ||
| a carrier protein that uses ATP to actively transport sodium ions out of a cell and potassium ions into the cell. | ||
| anything that serves to direct, guide or warn | ||
| a protein that binds specific signal molecules , which causes the cell to respond. | ||
| a molecule that is generated when a specific substance attaches to a receptor on the outside of a cell membrane, which produces a change in cellular function. |
