Which biochemical compound plays a crucial role in the synthesis of glycoproteins and glycolipids, and is also involved in cell signaling and recognition?

A Glucose
B Galactose
C Mannose
D N-Acetylglucosamine
N-Acetylglucosamine is a key component of glycoproteins and glycolipids, and plays a role in cell signaling and recognition.
Biochemistry, 8th edition by Mary K. Campbell and Shawn O. Farrell
Fundamentals of Biochemistry Carbohydrate Biochemistry Glycoconjugates Hard MEDICAL Confidence: medium