The Fluid Mosaic Model of Membrane Structure Suggests That Membranes

The fluid mosaic model of membrane structure suggests that membranes

A) are composed of a fluid bilayer of fatty acids with proteins associated on the outer and inner surfaces.
B) are composed of protein molecules embedded in a fluid bilayer of phospholipids.
C) are composed of a single fluid layer of phospholipids and proteins.
D) are composed of a fluid phospholipid bilayer sandwiched between two layers of hydrophilic proteins.