What type of protein helps inolecules move through a cell membrane?
A. Channel protein
B. Carrier protein
C. Receptor protein
D. Glycoprotein

Carrier protein help molecules to move through a cell membrane.

Explanation:

Carrier protein help molecules to move through a cell membrane.

Carrier proteins transport ions and molecules either through facilitated diffusion or by secondary active transport. These proteins also bind to a specific molecule that needs to be transported.