AAT Bioquest

What energy source is used in active transport through biological membranes?

Posted April 23, 2021


The energy necessary for active transport (against the concentration gradient of the transported substance) to occur comes from adenosine triphosphate (ATP) molecules. Adenosine triphosphate (ATP), energy-carrying molecule found in the cells of all living things.

Additional resources

Adenosine triphosphate

PhosphoWorks™ Colorimetric ATP Assay Kit