Muscle glycogen cannot contribute directly to blood glucose level because___________?
Correct answer: A. Muscle lacks glucose 6 phosphatase
- A. Muscle lacks glucose 6 phosphatase
- B. Muscle lacks phospho gluco isomerase
- C. Absence of glucokinase
- D. Muscle does not contain glycogen phosphorylase
Explanation
Muscle can break glycogen down to glucose 6-phosphate, but it lacks glucose 6-phosphatase. Therefore it cannot convert that product into free glucose for release into the bloodstream, unlike the liver.
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