Biochemistry : Reactants and Products of Glycogenolysis

Study concepts, example questions & explanations for Biochemistry

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Example Questions

Example Question #1 : Reactants And Products Of Glycogenolysis

Which of the following is not a possible fate of glucose-6-phosphate?

Possible Answers:

It can become pyruvate

It can enter into the urea cycle

It can become lactate

It can become glucose

It can enter into the pentose phosphate pathway

Correct answer:

It can enter into the urea cycle

Explanation:

When glycogen is broken down, the individual units that are removed are glucose-1-phosphate units. These are then transformed into glucose-6-phosphate molecules which are of extreme biological importance because of their ability to enter various different pathways. These pathways include glycolysis and the pentose phosphate pathway. The urea cycle, however, has to do with amino acids/proteins.

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