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
Co enzyme for dopa decarboxylase? 
Select and explain. 
A. Biotin, B. Vitamin B6, C. Vitamin C, D. B12
B: Vitamin B6
Answer: B: Vitamin B6 
Explanation: Ans. is 'b' i.e., Vitamin B6All decarboxylases require pyridoxin (vitamin B6)