Moderate

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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