M Prep | MCAT 2015 Question of the Day - Prep, Practice Questions, and More!

Q:

Which of the following is a true statement regarding the fluid mosaic model of cellular membranes?

I. Proteins are embedded within a lipid bilayer
II. Elasticity of the membrane is derived by the lipid bilayer
III. The structure of the membrane is fairly rigid and held together by immobile cytoskeleton elements

A

I only

B

and II only

C

II and III only

D

I, II and III only