Polysaccharide digestion and glycogen breakdown involve sequential cleavage from ends of glucose polymers. a. ionic b. non-reducing c. hydroxyl d. reducing

non-reducing

Explanation:

The end of a polysaccharide where anomeric carbon is involved in the glycosidic linkage is called a non-reducing end. Digestion of polysaccharides and glycogenolysis includes the removal of sugar residues one by one from the non-reducing end.

For instance, glycogenolysis in skeletal muscle and liver includes many enzymes. One such enzyme is glycogen phosphorylase that catalyzes the sequential breaking of alpha 1->4 glycosidic linkage between two glucose residues at a non-reducing end of glycogen. It removes the terminal glucose residue as alpha-D-glucose 1-phosphate.

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