Topic: Biomolecules: proteins, carbohydrates, lipids, nucleic acids· Cell Structure and Function

Exoskeleton of arthropods is composed of :

1. Glucosamine

2. Cutin

3. Cellulose

4. Chitin

Doubtly Asked 30 Oct 2026 NEET UG 2022 Practice test neet Save WhatsApp Report

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Answer: 4. Chitin

The arthropod exoskeleton is made of chitin, a polymer of N-acetylglucosamine. Glucosamine is only its monomer unit, cutin is a plant waxy layer and cellulose is the plant cell wall polymer.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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Exoskeleton of arthropods is composed of :

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