34. Which statement is correct about the fluid mosaic of biological membrane? (A) All membrane proteins are bound to the interior of the membrane. (B) Carbohydrates are covalently bound to the outside of the membrane. (C) Both lipids and proteins undergo transverse (flip-flop) diffusion from the inside to the outside of the membrane. (D) The term mosaic refers to the rearrangement of the lipids only.