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Question
During Krebs cycle, energy from glucose is mostly transferred to
During Krebs cycle, energy from glucose is mostly transferred to
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Solution
The correct option is C NADH and FADH
The end product of glycolysis is a pyruvic acid which is decarboxylated into acetyl-CoA and enters Kreb cycle where in it is aerobically broken down; the pathway takes place in the mitochondrial matrix. The complete Kreb cycle leads to the net formation of 2 molecules of ATP by substrate-level phosphorylation, 8 molecules of NADH plus 2 molecules of FADH2 (via succinate dehydrogenase). So, most part of glucose energy is transferred to NAD and FAD during Kreb cycle; not to ADP. NADPH is coenzyme of photosynthesis. Photons absorbed by reaction center of PSII drives splitting of water. Thus, the correct answer is option A.
The end product of glycolysis is a pyruvic acid which is decarboxylated into acetyl-CoA and enters Kreb cycle where in it is aerobically broken down; the pathway takes place in the mitochondrial matrix. The complete Kreb cycle leads to the net formation of 2 molecules of ATP by substrate-level phosphorylation, 8 molecules of NADH plus 2 molecules of FADH2 (via succinate dehydrogenase). So, most part of glucose energy is transferred to NAD and FAD during Kreb cycle; not to ADP. NADPH is coenzyme of photosynthesis. Photons absorbed by reaction center of PSII drives splitting of water. Thus, the correct answer is option A.
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