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 vitamin is necessary for coenzyme A synthesis 
Select and explain. 
A. Pantothenic acid, B. Ascorbic acid, C. Biotin, D. Pyridoxine
A: Pantothenic acid
Answer: A: Pantothenic acid 
Explanation: Pantothenic acid is required for CoA and acyl carrier protein.