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What is the main constituent of the exoskeleton of arthropods?

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in Biology – Class 11 by (272k points)
What is the main constituent of the exoskeleton of arthropods?

(a) Chitin

(b) Cellulose

(c) Glycogen

(d) Starch

The question was posed to me during an internship interview.

I would like to ask this question from Biomolecules in chapter Biomolecules of Biology – Class 11

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The correct option is (a) Chitin

Explanation: Chitin is the main constituent of the exoskeleton of arthropods and also of fungal cell walls. It is a complex polysaccharide. Cellulose makes up plant cell walls, glycogen is a storage polysaccharide in animals while starch is the storage polysaccharide in plants.

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