IAS (Admin.) Mains Zoology Biochemistry-Carbohydrates, Fats, Lipids, Proteins, Aminoacids, Nucleic Acids Study Material (Page 4 of 28)

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Composition, Structure and Function of Polysaccharide

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Polysaccharides are the largest component of biomass. It is estimated that more than 90% of the carbohydrate mass in nature is in the form of polysaccharides. Polysaccharides are polymers of monosaccharides which are linked together by Glycosidic bonds. Polysaccharides are also called as Glycan (Gly – Sugar, an- polymer)

Composition of Polysaccharide

  • Degree of polymerization (DP) means number of monosaccharides unit that polysaccharide is made up of. Norm…

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Functions of Polysaccharides Storage and Polysaccharide

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Polysaccharides being polymers of carbohydrates linked together through glycosidic bonds posses following characteristics.

  • They are high molecular weight carbohydrates.
  • Presence of multiple hydrogen bonds, made them hydrophobic in nature.
  • Hydrophobic nature of them makes them non-soluble in water
  • Not sweet in taste
  • They don՚t form crystalline structure.
  • Osmotically inactive

Being comparatively larger macromolecules Polysaccharides are extremely important in organisms for energy storage and for framing structural integrity.

  • Storage polysaccharide: Polysaccharide that act as food reservoir and stores energy in living organisms. Storage polysaccharides include st…

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