Question

What is meant by facilitated diffusion?

Answer 1

Facilitated diffusion:

1. Facilitated diffusion can be defined as the transport of substances across a biological membrane from an area of higher concentration to an area of lower concentration with the help of a transport molecule.
2. No requirement of chemical energy as the substances move along the concentration gradient.
3. Facilitated diffusion is identified as a type of passive transport.
4. The three types of protein channel required in facilitated diffusion are: Channel protein, Gated channel protein and Carrier protein.