Multiple choice

The process of gluconeogenesis is absent in brain and muscles because

  1. of the lack of glucose-6-phosphatse

  2. of the storage of creatine phosphate

  3. of the presence of substitutes of glucose

  4. of the high concentration of glucose

  5. muscles and brain do not need gluconeogenesis for their survival
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A Correct answer
Explanation

Glucose-6-phosphatse hydrolyses glucose 6 phosphate into free glucose and phosphate group. This enzyme is absent in brain due to which gluconeogenesis does not occur in brain.

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