Question

Which of the following is released during conversion of succinate to fumarate in TCA cycle?

A CO_2 Correct Answer Incorrect Answer
B FADH_2 Correct Answer Incorrect Answer
C H_2 O Correct Answer Incorrect Answer
D ATP Correct Answer Incorrect Answer

Solution

Succinate and fumarate are the intermediates of TCA cycle. When succinate is converted into fumarate, 2 H+ are removed which are taken by FAD and it gets converted to FADH2 in the presence of enzyme succinate dehydrogenase.

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