Term
|
Definition
| the two main components of a membrane |
|
|
Term
|
Definition
| feature of the cell membrane, allowing only some molecules to cross it. |
|
|
Term
|
Definition
| movement across a cell membrane that requires no energy from the cell. |
|
|
Term
|
Definition
| examples of passive transport |
|
|
Term
|
Definition
| the movement of molecules down a concentration gradient from area of higher to area of lower concentration. |
|
|
Term
|
Definition
| glucose moving from the blood to the cells for respiration, oxygen moving from the lungs to the blood |
|
|
Term
|
Definition
| the movement of water molecules from an area of higher water concentration to an area of lower water concentration, across a selectively permeable membrane. |
|
|
Term
|
Definition
| effect of being placed in a solution of higher water concentration on animal cells |
|
|
Term
|
Definition
| effect of being placed in a solution of lower water concentration on animal cells |
|
|
Term
|
Definition
| effect of being placed in a solution of higher water concentration on plant cells |
|
|
Term
|
Definition
| effect of being placed in a solution of lower water concentration on plant cells |
|
|
Term
|
Definition
| the movement of molecules and ions from an area of low concentration to an area of high concentration, against a concentration gradient. |
|
|
Term
|
Definition
| required by membrane proteins for active transport |
|
|
