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Identify the polysaccharide with α-1,4 glycosidic bonds.
 

Option: 1

Glycogen


Option: 2

Amylopectin
 


Option: 3

Both a and b
 


Option: 4

None of these

 


Answers (1)

best_answer

 

 

Polysaccharides

  • Polysaccharides are made up of ten or more than ten monosaccharides.
  • These are the polymers of monosaccharides.
  • These are also called glycans.
  • Homopolysaccharides contain only a single type of monomeric unit.
  • Heteropolysaccharides contain two or more different kinds of monomeric units

Starch:

  • Starch is the stored form of sugar in plants.
  • Starch is made up of amylose and amylopectin.
  • Amylose is an unbranched polysaccharide that consists of glucose monomers connected via α-1,4 glycosidic bond.
  • Amylopectin is a branched polysaccharide that consists of glucose monomers linked via α-1,4 glycosidic bond and branches via α-1,6 glycosidic bond.
     

Glycogen:

  • It is a homopolymer consisting of glucose monomers linked via α-1,4 glycosidic bond and branches via α-1,6 glycosidic bond at every ten or so units.
  • It is a branched polysaccharide.
  • It is the stored form of food in animals and fungi.

 

 

 

 

 

Both amylopectin and glycogen have α-1,4 glycosidic bonds.

Posted by

Irshad Anwar

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