The fluid mosaic model of the membrane proposes that membranes

A) are a phospholipid bilayer.

B) are a phospholipid bilayer between two layers of hydrophilic proteins.

C) are a single layer of phsopholipids and proteins.

D) consist of proein molecules embedded in a fluid bilayer of phospholipids.

E) consist of a mosaic of polysaccarahides and proteins.

Answer: D

Which of the following types of molecules are the major structural components of the cell membrane?
A) phospholipids and cellulose
B) nucleic acids and proteins
C) phospholipids and proteins
D) proteins and cellulose
E) glycoproteins and cholesterol

Answer: C