Term
|
Definition
| a lipid that contains phosphorus and that is a structural component in cell membranes |
|
|
Term
|
Definition
| the basic structure of a biological membrane, composed of two layers of phospholipids |
|
|
Term
|
Definition
| a state that exists when the concentration of a substance is the same throughout a space |
|
|
Term
|
Definition
| a difference in the concentration of a substance across a distance |
|
|
Term
|
Definition
| the movement of particles from regions of higher density to regions of lower density |
|
|
Term
|
Definition
| a protein that transports substances across a cell membrane |
|
|
Term
|
Definition
| 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 |
|
|
Term
|
Definition
| a carrier protein that uses ATP to actively transport sodium ions out of a cell and potassium ions into the cell |
|
|
Term
|
Definition
| anything that serves to direct, guide, or warn |
|
|
Term
|
Definition
| a protein that binds specific signal molecules, which causes the cell to respond |
|
|
Term
|
Definition
| 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 |
|
|
