Which statement regarding the energetics of the citric acid cycle is true? (a) all of the energy‑producing capacity of the cycle occurs in the first four reactions; the remaining reactions serve to regenerate oxaloacetate. (b) the cycle in animal cells directly produces one atp instead of one gtp.(c) production of fadh 2 fadh2 by the citric acid cycle represents the energetic capacity to synthesize about 1.5 atp.(d) production of 3 nadh nadh by the citric acid cycle represents the energetic capacity to produce about 2.5 atp.

The correct answer is C production of FAD to FADH2 by the citric acid cycle represent the energetic capacity to synthesize about 1.5 ATP.

Explanation:

Citric acid cycle is one of most important stage of cellular respiration.Citric acid cycle or TCA  cycle composed of various enzyme catalyzed biochemical reaction.

 various reduced coenzymes are produced during TCA cycle such as NADH,FADH2.FADH2 is formed from FAD during the conversion of succinate to fumarate.

  The FADH2 then enter electron transport chain to oxidize itself into FAD along with the generation of 1.5 ATP.

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