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 is a component of Coenzyme A? 
Select and explain. 
A. 3 Alanine, B. Glycine, C. Pyrrolysine, D. Selenocysteine
A: 3 Alanine
Answer: A: 3 Alanine 
Explanation: Ans. is 'a' i.e., 3 AlanineCoenzyme A is a carrier of acyl group. Hence it takes pa of fatty acid synthesis and fatty acid oxidationIt is formed from pantothenic acid and mercaptoethanolamine, Pantothenic acid is formed from pantoic acid and p alanine