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krave.kaay
| term | definition |
|---|---|
| + passive transport | the movement of materials through a cell membrane without using energy. |
| active transport | the movement of materials through a cell membrane using energy. |
| diffusion | the prosses by which molecules move from an area in which they are highly. |
| faclitated diffusion | still does not requrie energy but molecules must pass through channels that will open if the cell membrane. |
| osmosis | the diffusion of water molecules through a selectively permeable membrane |
| emodcytosis | process of engulfind a larger particle and bring it into the cell |