Definition of Glycogen



Glycogen is one of the polysaccharides that is made up of the polymerization of the glucose residues. The glucose units link with each other through α-1,4 glycosidic bonds in order to form a glycogen molecule and there occurs a branch after every ten residues. The branching occurs through an α-1,6 glycosidic bond.

 


The glycogen is a branched structure and the glucose is mainly stored in the animal and human bodies in the form of glycogen, hence it is known as a significant energy reservoir. When there is excess glucose in the body, it gets transformed into glycogen. On the other hand, if the body is deficient in energy, this stored glycogen breaks, and energy is released. Furthermore, the liver and the muscle are the structures that tend to store glycogen in them.

 


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