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3.3.3.5 Chitin
Chitin is a polysachharide that is similar to cellulose in both function and structure. Structurally, chitin consists of N - acetyl - D- glucosamine units joined by ß(1-4)-glycosidic bond.
Its function is to give rigidity to the exoskeletons of crabs, lobsters, shrimp, insects , and other arthropods. It also occurs in the cell walls of fungi. |
Last modified: Thursday, 10 November 2011, 6:27 AM