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 does not paicipate in oxidative decarboxylation of pyruvate to acetyl CoA ? 
Select and explain. 
A. Thiamine, B. Niacine, C. Riboflavin, D. Biotin
D: Biotin
Answer: D: Biotin 
Explanation: Ans. is `d' i.e., Biotin