The Structure of a Biological Membrane Is Best Described as

The structure of a biological membrane is best described as

A) a continuous bilayer of lipids coated with proteins on either side.
B) a fluid mosaic of proteins interspersed in a lipid bilayer.
C) a phospholipid bilayer with interspersed proteins, held together by covalent and H-bonds.
D) a phospholipid bilayer with the hydrophilic groups turned inward, hydrophobic groups outward.
E) an internal layer of protein surrounded by a sheet of lipids.