You have a planar bilayer at a relatively warm temperature. After testing the permeability of this membrane to glucose, you increase the quantity of cholesterol in the bilayer. What will happen?
A) You can't predict the outcome. You simply have to make the measurement.
B) Permeability to glucose will stay the same.
C) Permeability to glucose will increase.
D) Permeability to glucose will decrease.

Question

Quizplus · Accepted Answer

Increasing the quantity of cholesterol in the bilayer will decrease the permeability to glucose as cholesterol makes the bilayer more rigid and less permeable to small molecules like glucose.

You Have a Planar Bilayer at a Relatively Warm Temperature