Succinate is converted into fumarate by the removal of:
Correct answer: C. Two hydrogen atoms
- A. A single hydrogen atom
- B. CO2 molecule
- C. Two hydrogen atoms
- D. Water molecule
Explanation
In the Krebs cycle, succinate is converted to fumarate by the enzyme succinate dehydrogenase. This reaction involves the removal of two hydrogen atoms from succinate, which are then transferred to FAD to form FADH₂. Thus, option C is correct. Options A, B, and D are incorrect because they do not accurately describe the chemical changes occurring during this specific step of the Krebs cycle.
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