Which of the following lipids is characterized by a phosphate group attached to a glycerol backbone?

A Cholesterol
B Triacylglycerol
C Phosphatidylcholine ✓
D Sphingomyelin

Explanation

Phosphatidylcholine is a type of phospholipid, which is characterized by a phosphate group attached to a glycerol backbone.

Source

Harper's Illustrated Biochemistry
Lipid Metabolism Biochemistry Lipid Structure Easy NURSING Confidence: high