All of the Following Are Generally Accepted as Features of the Fluid-Mosaic

All of the following are generally accepted as features of the fluid-mosaic model of membrane structure EXCEPT

A) asymmetrical arrangement of lipids.
B) rapid diffusion of inorganic ions across the lipid bilayer
C) rapid lateral diffusion of lipids.
D) slow lateral diffusion of integral and peripheral proteins.
E) infrequent transverse (flip-flop) movement of lipids from one face of the bilayer to the other.