Question

Which of the following are true of the enzyme glycogen phosphorylase?  Select any/all answers that apply. A....

Which of the following are true of the enzyme glycogen phosphorylase?  Select any/all answers that apply.

A.

its activity is dynamically regulated by phosphorylation/dephosphorylation

B.

it utilizes glucose 6-phosphate as a substrate

C.

it generates glucose 6-phosphate as a product

D.

it utilizes inorganic phosphate as a substrate

E.

it catalyzes the hydrolytic cleavage of α(1->4) bonds

Homework Answers

Answer #1

All options are correct except option c.

Reason:

Glycogen phosphorylase is an enzyme that breaks up glycogen into glucose.

option a : the enzyme activity is regulated by phosphorylation

option b: for proper metabolism, the glucose 6-phosphate is reuiqred as starting material.

option d: Inorganic phosphate is required to initiate the reaction, other wise the enzyme will not work.

option e: the enzyme spilts linkage between carbon 1 and carbon 4, thus hydrolytic cleavage of α(1->4) bonds

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