This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
[{'content': 'Pantothenic acid is associated with following moiety \nSelect and explain. \nA. coenzyme A, B. Carboxyl, C. Hydroxyl, D. H+', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Pantothenic acid is called vitamin B5 It is ised to synthesis co enzyme A in body Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:20,21,22', 'role': 'assistant'}]