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One mole of glucose on metabolism liberate how many kilo calories of energy?

One mole of glucose on metabolism liberate how many kilo calories of energy?

Options

(a) 180
(b) 80
(c) 160
(d) 380

Correct Answer:

380

Explanation:

One mole of glucose yields about 686,000 calories of energy on complete combustion to CO₂ and water. The terminal group of a mole of ATP contains about 10,000 calories. Therefore, 38 molecules of ATP represents an energy yield of 380,000 calories. This is about 55% of the total calories present in glucose. The total calories (686 Kcal) present in glucose is not obtained as energy as it is lost but 380 Kcal of energy can be measured.

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