Postlec-GSD

The key regulatory enzyme of the process of glycogenolysis is

• Glycogen synthase

• Glycogen phosphorylase

• Glycogen debranching enzyme

• Glycogen branching enzyme

The precursor to glycogen in the glycogen synthase reaction is

• glucose-1-P.

• glucose-6-P.

• UDP-glucose.

• UTP-glucose.

• None of the above.

Phosphorylation activates:

• Glycogen Phosphorylase

• Glycogen Synthase

• both

• neither

Phosphorylation inhibits

• Glycogen Phosphorylase

• Glycogen Synthase

• both

• neither

What type of Glycogen Storage disease has a shorter outer chain structure?

• Type Ia

• Type II

• Type IIIa

• Type IV

Name of Glycogen Storage Disease that does not affect the liver.

VII

V

III

• VII only

• VII and V

• V and III

• None of the above

Muscle glycogen is not affected by short periods of fasting

• TRUE

• FALSE

The primary glycosidic bond in glycogen is an α(1→6) linkage.

• TRUE

• FALSE