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
Which of the following vitamins act as coenzyme in decarboxylation reaction? 
Select and explain. 
A. Pyridoxine, B. Riboflavin, C. Biotin, D. Niacin
A: Pyridoxine
Answer: A: Pyridoxine 
Explanation: Coenzyme  for carboxylation reaction - Biotin
Coenzyme  for decarboxylation reaction - Pyridoxine