Which of these enzymes catalyzes the only reaction of the citric acid cycle that provides substrate-level phosphorylation?

Question

Quizplus · Accepted Answer

Succinyl-CoA synthetase catalyzes the reaction of succinyl-CoA to succinate, which results in the production of GTP (or ATP) through substrate-level phosphorylation. This is the only reaction in the citric acid cycle that directly generates ATP or GTP through substrate-level phosphorylation.

Which of These Enzymes Catalyzes the Only Reaction of the Citric