Which of the Following Statements About the Composition of Red

Which of the following statements about the composition of red cell membranes is correct?

A) As with plant cell membranes, cholesterol is present only in traces.
B) As a group, the glycerol phosphatides (PTC, PTE, PTS) are the quantitatively major lipid component.
C) Proteins are found as extrinsic proteins on both the inner and outer surfaces of the lipid bilayer.
D) Oligosaccharide chains of glycolipids project from both the inner and outer surfaces of the lipid bilayer.
E) Sphingomyelins are uniformly distributed between the inner and outer layers of the lipid bilayer.