What is the definition of active transport?

Active transport is the movement of substances against their concentration gradient. The substance moves from an area of low concentration to an area of high concentrations, across a partially permeable membrane. This process requires energy produced from cell respiration.

LW
Answered by Lydia W. Biology tutor

15200 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

Explain how the presence of starch can be detected in plants.


Describe how water moves from the roots to the leaves


Why is the control of insulin called "negative" feedback? How does it work?


How are different substances transported across the cell membrane?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning