Term
|
Definition
| Net movement of the particles of a substance from where they are more concentrated to where they are less concentrated. |
|
|
Term
|
Definition
| Point at which the number of diffusing molecules moving in one direction is equal to the number moving in the opposite direction. |
|
|
Term
|
Definition
| Diffusion across a membrane requiring only the random motion of molecules with no energy expended by the cell. |
|
|
Term
|
Definition
| Pathway provided by transport proteins that helps certain molecules pass through a membrane. |
|
|
Term
|
Definition
| Passive transport of water across a selectively permeable membrane. |
|
|
Term
|
Definition
| Having a higher concentration of solute than another solution. |
|
|
Term
|
Definition
| Having a lower concentration of solute than another solution. |
|
|
Term
|
Definition
| Having a solute concentration equal to that of another solution. |
|
|
Term
|
Definition
| Movement of molecules across a membrane requiring energy to be expended by the cell. |
|
|
Term
|
Definition
| Small membrane-bound sac that functions in moving products into, out of, and within a cell. |
|
|
Term
|
Definition
| Process of exporting proteins from a cell by a vesicle fusing with the plasma membrane. |
|
|
Term
|
Definition
| Process of taking material into a cell within vesicles that bud inward from the plasma membrane. |
|
|
