Biology Osmosis Vocab
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9 terms
Terms | Definitions |
|---|---|
 active transport | energy using process in which substances are moved across the cell membrane against the concentration gradient |
| endocytosis | active transport process where the cell engulfs materials and digests them inside the cell |
| exocytosis | active transport process in which the cell expels materials outside the cell membrane |
| facilitated diffusion | passive transport of materials across a cell membrane by using the transport proteins |
| hypertonic solution | in cells, a solution in which the concentration of dissolved substances outside the cell is higher than the concentration of substances inside the cell; water moves out of the cell |
| hypotonic solution | in cells, a solution in which the concentration of dissolved substances outside the cell is lower than the concentration inside the cell; water moves into the cell |
| isotonic solution | in cell, a solution in which the concentration of dissolved substances outside the cell is the same as the concentration inside the cell; water moves in and out in the same amount |
| osmosis | movement of water from where there is more water to an area where there is less of it |
| passive transport | movement of particles across a cell membrane without the cell using energy; particles are moving along the concentration gradient |
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