Question

How many of the following factors would affect the permeability of the cell membrane?

• Size of molecules.
• Lipid solubility of molecules.
• Presence of transport channels.
• Presence of ATP inside the cell.

Answer 1

3 of the factors: A,B, and C

A Size of molecules (this one)

B Lipid solubility of molecules (this one)

C Presence of transport channels (this one)

D Presence of ATP inside the cell (this is the only one that would not affect it)