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What is Glycogen phosphorylase requires - and explain in detail?
Ans. is 4b' i.e., Pvridoxal phosphate o Glycogenolysis occurs primarily by phosphorolytic breaking of a-l,4-glycosidic bonds of glycogen. The key enzyme responsible for glycogenolysis is glycogen phosphorylase which catalyses stepwize phosphorolytic removal of glucose as glucose-1-phosphate, from glycogen.o Pvridoxal phosphate is essential cofactor in this reaction; it is covalently bound to glycogen phosphorylase.