Question

write the information about Cellulose​

Answer 1

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Cellulose is a straight chain polysaccharide of β-glucose units linked by β-1,4- glycosidic bonds. Chemical hydrolysis of cellulose requires use of concerntrated strong acids at high temperature and pressure. This implies that the β-1,4- glycosidic bond is very strong and difficult to hydrolyse. Humans do not have enzymes which can hydrolyse this linkage. Hence cellulose cannot be digested by human beings; it serves as the fibrous content of food useful for bowel movement. shows the Haworth formula of cellulose.

Answer 2

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Cellulose :

★ Cell wall of plants is made up of it.

★ It is the most abundant carbohydrate and organic molecule.

★ It is the polymer of B - glucose.

★ B1 - B4

★ It is unbranched.

★ It contains 6000 glucose units.

★ Cotton fibres contain largest amount of cellulose. ( 90 % ).

★ Wood have 20% to 25% cellulose.

★ It isn't easy to digest cellulose. Only animals like cow buffalo can easily digest it because of appendix presence.

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Chitin :

★ Polymerase of NAG.

★ It is unbranched.

★ It is second most abundant carbohydrate and organic molecule.

★ In fungal cell wall.

★ In endoskeletal of arthropods.