This Substance is Composed of Glycerol and Three Fatty Acids

Question

This substance is composed of glycerol and three fatty acids.
A) Glycogen
B) Polypeptide
C) Steroid
D) Triglyceride

Accepted Answer

Triglyceride is composed of glycerol and three fatty acids. The other options don't fit this description - glycogen is a polysaccharide made of glucose units, polypeptide is a chain of amino acids, and steroid is a specific type of lipid structure with four fused rings.