This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
In TCA, substrate level phosphorylation takes place in: 
Select and explain. 
A. Alpha Ketoglutarate to succinyl CoA, B. Succinyl CoA to Succinate, C. Succinate to fumarate, D. Oxaloacetate to citrate
B: Succinyl CoA to Succinate
Answer: B: Succinyl CoA to Succinate 
Explanation: None