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Question

How many ATP equivalent energy will be produced by HMP shunt?

A
40 ATP
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B
38 ATP
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C
35 ATP
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D
8 ATP
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Solution

The correct option is C 35 ATP
In HMP shunt, 12 pairs of hydrogen atoms are eventually transferred to oxygen yielding 12*3=36 ATP. Of this, 1 ATP is used in converting one molecule of free glucose-6 phosphate. Hence, the net yield is 35 ATP which compares well with 38 ATP obtainable from glycolysis and TCA cycle.

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