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
Which of the following is precursor of CoA 
Select and explain. 
A. Thiamine, B. Cobalamine, C. Pantothenate, D. Pyridoxamine
C: Pantothenate
Answer: C: Pantothenate 
Explanation: CoA is involved in acetylation reactions. Patothenic acid / Pantothenate (Vitamin B5) is precursor of CoA.