What is facilitated diffusion?

1 Answer

Facilitated diffusion is diffusion through a membrane which occurs through a transport (or channel) protein.

Explanation:

Some particles/molecules are not able to pass directly through the membrane, so they need to pass through special transport proteins which act like doorways.

https://figures.boundless-cdn.com/18633/large/figure-05-02-05.jpe

Facilitated diffusion gets its because to facilitate means to help.

Here is a video to help visualize how the process of facilitated diffusion occurs.

Hope this helps!