Facilitated Diffusion

Question 1

what doesn’t pass through the cell membrane

Answer 1

Charged particles or ions and large molecules like glucose, don’t pass through the cell membrane because they are insoluble in lipids

Question 2

What does intrinsic proteins help

Answer 2

In the cell membrane, intrinsic protein span the membrane from one side to the other and help such particles to diffuse out the cell

Question 3

What are the two types of proteins which help diffusion

Answer 3

Channel and Carrier proteins