This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: vitamins, Subject name: Biochemistry
Pantothenic acid is coenzyme of which of the following reaction (s)? 
Select and explain. 
A. Dehydrogenation, B. Oxidation, C. Decarboxylation, D. Acetylation
D: Acetylation
Answer: D: Acetylation 
Explanation: Pantothenic acid consists of two components, pantoic acid and beta-alanine, Pantothenic acid as a pa of CoA take pa in Fatty acid Oxidation Acetylation Citric acid cycle Cholesterol synthesis Acetyl-CoA, formed from pyruvate by the action of pyruvate dehydrogenase (CoA acts as a coenzyme in the reaction) ref: DM Vasudevan 8th ed page 472