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5 Cards in this Set
- Front
- Back
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define diffusion |
diffusion is the net movement particles from a region of higher concentration to a region of lower concentration down a concentration gradient |
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concentration gradient |
is the difference in concentration between two regions |
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osmosis |
is the net movement of water molecules from a region of high water potential to a region of lower water potential, through a partially permeable membrane |
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hypertonic and hypotonic |
hyper: low water potential hypo: high water potential |
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active transport |
is the process in which energy is used to move the particles of a substance across a membrane against its concentration gradient, from a region of lower concentration to a region of higher concentration |
