Meaning of ACTIVE TRANSPORT
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WordNet Dictionary |
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| Definition: | |
[n] transport of a substance (as a protein or drug) across a cell membrane against the concentration gradient; requires an expenditure of energy |
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| See Also: | | transport | |
Biology Dictionary |
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| Definition: | | Transport of ions, nutrients or other molecules into a cell against a concentration gradient; this requires the expenditure of energy through ATP hydrolysis. |
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