Question:
The plasma (cell) membrane
Answer:
is composed of a bilayer of phospholipids.
Step-by-step explanation:
The principal components of the plasma membrane are lipids (phospholipids and cholesterol), proteins, and carbohydrate groups that are attached to some of the lipids and proteins. A phospholipid is a lipid made of glycerol, two fatty acid tails, and a phosphate-linked head group.