33.7k views
5 votes
When active transport is moving molecules, it will allow molecules to move from

1 Answer

4 votes
Active transport: moving against a gradient. To movesubstances 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.
User Andrii Startsev
by
6.9k points