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
Treatment of Multiple Carboxylase Deficiency is: 
Select and explain. 
A. Biotin, B. Pyridoxine, C. Thiamine, D. Folic acid
A: Biotin
Answer: A: Biotin 
Explanation: Multiple carboxylase deficiency is a group of disorder resulting from defective utilization of biotin.Since biotin is a coenzyme for carboxylase enzymes (carboxylation), it results in malfunction of all carboxylases and organic acedimia. It is treated by biotin