In the process of aerobic respiration how many ATP molecules will be generated if 2 molecules of triose phosphate is used as a substrate?

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answer is D.

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Detailed Solution

If one molecule of triose phosphate is used as a respiratory substrate Via glycolysis,2 ATP and 1 NADH will be producedTherefore, when 2 molecules of triose phosphate is used as a respiratory substrate 4ATP and 2NADH will be produced.If one molecule of triose phosphate is used as a respiratory substrate Via link reaction,1 NADH will be producedTherefore, when 2 molecules of triose phosphate is used as a respiratory substrate Via link reaction2 NADH will be producedIf one molecule of triose phosphate is used as a respiratory substrate Via kreb cycle,1 ATP, 1 FADH2 and 3 NADH will be producedTherefore, when 2 molecules of triose phosphate is used as a respiratory substrate Via kreb cycle,2 ATP, 2 FADH2 and 6 NADH will be produced1 NADH= 3 ATP1 FADH2= 2ATP.Total number of ATP produced during aerobic respiration when 2 molecules of triose phosphate is used as a respiratory substrate is4+ (2x3) + (3x2) + 2+ (2x2) + (6x 3) = 40 ATP

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