Dictionary

active transport

noun

Definition of ACTIVE TRANSPORT

:  the movement of a chemical substance by the expenditure of energy against a gradient in concentration or in electrical potential across a plasma membrane

First Known Use of ACTIVE TRANSPORT

1922

active transport

noun    (Medical Dictionary)

Medical Definition of ACTIVE TRANSPORT

:  movement of a chemical substance by the expenditure of energy against a gradient in concentration or electrical potential across a plasma membrane

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