Which of the Following Characteristics Is Typical of the Fluid

Which of the following characteristics is typical of the fluid Mosaic model of membrane structure?

A) The proteins are all spread in a sheet over the surface of the lipid bilayer.
B) The proteins are all attached as spherical molecules to the surface of the membrane.
C) Some proteins have polypeptides consisting predominantly of nonpolar residues in the interior of the membrane.
D) All proteins are loosely attached to the exterior and interior surfaces of the lipid bilayer.
E) None of the above is true.