The basic unit of chitin is

Options

A $N$ -acetyl glucosamine
Bglucose
Cgalactose
Dfructose

Correct answer

A. $N$ -acetyl glucosamine

Step-by-step solution

The chitin (= polyglycosamine) is an acetate of mucopolysaccharide called glycosamine which is formed by the combination of polysaccharide with small peptide molecules. The basic unit (monomer) of chitin is

N

-acetylglucosamine, monomers are joined by

1-4 \beta

linkages.

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