What is active transport and how is it different from diffusion?

Active transport is the movement of ions or molecules across a cell membrane against a concentration gradient. It requires energy in the form of ATP.Active transport is different to diffusion as diffusion is movement from an area of high concentration to an area of low concentration and does not require ATP.

Answered by Stella W. Biology tutor

2203 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

Explain the role of ADH in regulating the water content of the blood.


Describe the key features of a velocity-time graph?


The peppered moth is a moth species with pale brown wings. During the industrial revolution, the number of black speciemens increased dramatically around urban areas. Explain this phenomenon using the concepts of natural selection.


What is a nerve synapse, and how does it transfer information?


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences