Why does cholesterol lower membrane permeability?
A) It is polar.
B) It is small relative to most phospholipids.
C) It participates in hydrogen bonding in the membrane interior.
D) It fills gaps in membranes and increases hydrophobic interactions.

Question

Quizplus · Accepted Answer

Cholesterol fills gaps in membranes and increases hydrophobic interactions, making the membrane less fluid and less permeable.

Why Does Cholesterol Lower Membrane Permeability