A nine carbon acid found in a terminal position in the oligosaccharide portion of many glycoproteins is

Question

Quizplus · Accepted Answer

Sialic acid is a nine-carbon acid commonly found in a terminal position in the oligosaccharide portion of many glycoproteins. Hyaluronic acid is a polysaccharide composed of repeated units of two modified sugars and is not an acid. Iduronic acid is a modified form of glucuronic acid with a beta-D-mannose residue, and is not commonly found in glycoproteins. Glucuronic acid is a six-carbon acid found in the glycosaminoglycan portion of proteoglycans. Gluconic acid is a six-carbon acid not commonly found in glycoproteins.

A Nine Carbon Acid Found in a Terminal Position in the Oligosaccharide