A) lipid
B) protein
C) polysaccharide
D) sphingomyelin
Correct Answer: C
Solution :
Chitin is principal structural component of the exoskeleton of invertebrates, eg, arthropods and is also a major cell wall constituent of most fungi and many algae. It is almost as abundant as cellulose. It is a homopolymer of \[\beta \]-1, 4-linked N-acetyl-D-glucosamine residues as shown below :
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