External rigid carapace of arthropods
Name the external rigid carapace of arthropods termed? Of which substance it is made up? Which kind of organic molecule is that substance?
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The external carapace of arthropods is termed as exoskeleton. The arthropod exoskeleton is made up of chitin, a nitrogen-containing polysaccharide.
Give a brief description of oligopeptide? How is it dissimilar from polypeptide?
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