Test: Biochemistry

1.

Why is glycogen phosphorylase alone not sufficient in in degrading glycogen?

Glycogen phosphorylase can only cleave alpha-1,6-glycosidic bonds, and so when it reaches a branch point it stops

Glycogen phosphorylase can only cleave roughly ten bonds before it runs out of energy

Glycogen phosphorylase can only cleave one glycosidic bond at which point another glycogen phosphorylase enzyme must come cleave the next one

Glycogen phosphorylase can not cleave the alpha-1,6-glycosidic bonds at glycogen branch points

None of these

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