Which of the following factors could cause the cell membrane to become less permeable?
A) if the channel proteins were to denature and become inactive
B) if the molecules trying to enter the cell were decreased in size
C) if the hydrophilic head of the phospholipids were to become hydrophobic while the hydrophobic tails become hydrophilic
D) if the size of the protein channel was to increase
E) All of the answer choices would cause the cell membrane to become less permeable.

Question

Quizplus · Accepted Answer

If the channel proteins were to become denatured and inactive, they would not be able to facilitate the movement of molecules across the cell membrane, reducing its overall permeability. The other choices would either have no effect on membrane permeability or would actually increase it.

Which of the Following Factors Could Cause the Cell Membrane