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WordNet-Online
Definitions from WordNet | ||||
Definitions from the WebActive TransportNoun: 1. The movement of ions or molecules across a cell membrane, usually against a concentration gradient, requiring energy from cellular metabolism. Example Sentence: Active transport is essential for cells to maintain proper ion and nutrient balance. Related Products: Adjective: 1. Describing the process or mechanism in which active transport takes place. Example Sentence: The active transport system facilitates the uphill movement of substances across the cell membrane. Related Products: Verb: 1. To actively transport: to move ions or molecules across a cell membrane using energy. Example Sentence: Cells utilize ATP to actively transport potassium ions across the cell membrane. Related Products: | ||||
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