Observe the following figure and identify A and B bonds in the diagrammatic representation of a portion of glycogenA = 1-4 α - glycosidic bonds, B = 1-4 α-glycosidic bondsA = 1-1 α - glycosidic bonds, B = 1-1 α-glycosidic bondsA = 1-6 α - glycosidic bonds, B = 1-4 α-glycosidic bondsA = 1-4 α - glycosidic bonds, B = 1-6 α-glycosidic bonds
Question
Observe the following figure and identify A and B bonds in the diagrammatic representation of a portion of glycogenA = 1-4 α - glycosidic bonds, B = 1-4 α-glycosidic bondsA = 1-1 α - glycosidic bonds, B = 1-1 α-glycosidic bondsA = 1-6 α - glycosidic bonds, B = 1-4 α-glycosidic bondsA = 1-4 α - glycosidic bonds, B = 1-6 α-glycosidic bonds
Solution
The correct answer is: A = 1-4 α - glycosidic bonds, B = 1-6 α-glycosidic bonds.
Glycogen is a polysaccharide that serves as a form of energy storage in animals and fungi. It is made up of glucose units linked together by α-glycosidic bonds. The bonds between the glucose units in the main chain (A) are α(1→4) glycosidic bonds, while the bonds at the branch points (B) are α(1→6) glycosidic bonds.
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