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9 Cards in this Set
- Front
- Back
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what is diffusion? |
the movement of molecules from a high concentration to a low concentration along a concentration gradient. |
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what is osmosis? |
movement of water molecules from an area of high water concentration to an area of low water concentration along a concentration gradient. |
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name two passive forms of transport |
diffusion osmosis |
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what type of transport is osmosis and diffusion? |
passive |
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does passive transport require energy? |
no |
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what is active transport? |
movement of a substance from a low concentration to a high concentration that goes against the concentration gradient |
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give an example of diffusion |
Movement of oxygen into cells and carbon dioxide out of cells |
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give an example of osmosis |
The movement of water into and out of cells |
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give an example of active transport |
Nerve impulse |
