The organic molecules known as phospholipids are key components of cell membranes and composed of which molecules?
A) amino acids
B) nucleotides
C) glycerol
D) fatty acids
E) both glycerol and fatty acids

Question

Quizplus · Accepted Answer

Phospholipids are composed of both glycerol and fatty acids. The hydrophilic "head" of the molecule is composed of a phosphate group attached to a glycerol molecule, while the hydrophobic "tail" is composed of two fatty acid chains.

The Organic Molecules Known as Phospholipids Are Key Components of Cell