33. Which of the following statements about the lipid bilayer membrane of cells is/are CORRECT?
(A) Biomembranes are composed of three principle classes of lipids: phosphoglycerides, sphingolipids andsterols.
(B) Lipid composition intluences the physical properties of membrane.
(C) Cholesterol will increase membrane fuidity and facilitates planar diffusion of proteins.
(D) Most lipids and many proteins are laterally mobile in biomembranes.
(E) Lipid bilayers are permeable to small gas molecules and ions.