A) polysaccharide
B) nitrogenous polysaccharide
C) lipoprotein
D) protein
Correct Answer: A
Solution :
Chitin is a polysaccharide comprising chains of N-acetyl-D-glucosamine, a derivative of glucose. Chitin is structurally very similar to cellulose and serves to strengthen the supporting structure of invertebrates. It also occurs in fungi.
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