Question

what is mean by chitin.​

Answer 1

Explanation:

A tough, semitransparent substance that is the main component of the exoskeletons of arthropods, such as the shells of crustaceans and the outer coverings of insects. Chitin is also found in the cell walls of certain fungi and algae. Chemically, it is a nitrogenous polysaccharide (a carbohydrate).

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Answer 2

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=> Chitin refers to a fibrous substance consisting of polysaccharides, which is the major constituent in the exoskeleton of arthropods and the cell walls of fungi.

=> It is a large, structural polysaccharide made from chains of modified glucose.