The Chitinous Exoskeleton Of Arthropods Is Formed By The Polymerisation Of?

  1. a) D-glucosamine
  2. b) Keratin sulphate and chondroitin sulphate
  3. c) Lipoglycans
  4. d) N-acetyl glucosamine

Answer: d) N-acetyl glucosamine


Exoskeleton of arthropods is composed of chitin, which is a polymer of N-acetyl glucosamine.

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