Substrate level phosphorylation occurs in the citric acid cycle when Succinyl CoA is converted to Succinate. Which of the following statements about this event is true?
A) Inorganic phosphate is added to ADP by HS- CoA thereby creating ATP.
B) A phosphate group is removed from HS- CoA and is donated to GDP to form GTP. GTP then donates a phosphate group to ADP to create ATP.
C) Inorganic phosphate is used to create GTP. GTP then donates a phosphate group to ADP to create ATP.

Question

Quizplus · Accepted Answer

In the citric acid cycle, substrate-level phosphorylation occurs when Succinyl CoA is converted to Succinate, producing GTP from GDP and inorganic phosphate. GTP can then transfer its phosphate to ADP to form ATP.

Substrate Level Phosphorylation Occurs in the Citric Acid Cycle When