What 2 processes that use a channel protein that transport substances in or out the cell.
A.osmosis
B. Facilliated diffusion
C. Endocytosis
D. Molecular Pumps?
The answer is Fallicitated Diffusion. Also Osmosis, because it requires an input of energy and is accomplished through carrier proteins and channels. I'm really sorry if I'm wrong. I might be wrong :( sorry in advance if i am.