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
[{'content': 'Most impoant vitamin, which promotes wound healing ? \nSelect and explain. \nA. Vitamin C, B. Vitamin D, C. Vitamin A, D. Niacin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Vitamin C is required for collagen synthesis.Due to its impoant role in collagen synthesis, vitamin C is required for adequate wound healing.', 'role': 'assistant'}]