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: Unknown
Which of the following is not a component of coenzyme A - 
Select and explain. 
A. Pantothenic acid, B. Adenylic acid, C. Sulfhydryl group, D. Acetic acid
D: Acetic acid
Answer: D: Acetic acid 
Explanation: Ans-D