Chitin is chemically a polymer of _______________.

N-acetyl gluconic acid

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N-acetyl glucosamine

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N-acetyl muramic acid

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None of these

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Solution

The correct option is B N-acetyl glucosamine
Chitin is a modified polysaccharide that contains nitrogen. It is synthesized from units of N-acetyl-D-glucosamine (to be precise, 2-(acetylamino)-2-deoxy-D-glucose). This allows for increased hydrogen bonding between adjacent polymers, giving the chitin-polymer matrix increased strength.
So B is the correct option.

Suggest Corrections

Compound	Units
A. Amylopectin	p. Unbranched polymer of glucose
B. Lignin	q. Branched polymer of glucose
C. Chitin	r. Complex polymer of aromatic alcohols
D. Proteins	s. Polymer of acetyl glucosamine
	t. Polymer of amino acids