Question

Which of the following functions does active transport perform in a cell ?

Answer 1

To move substances against a concentration or electrochemical gradient, a cell must use energy. Active transport mechanisms do just this, expending energy (often in the form of ATP) to maintain the right concentrations of ions and molecules in living cells.

Step-by-step explanation:

Answer 2

Moving substances against a concentration gradient

Step-by-step explanation:

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