This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Proteins and Amino Acids, Subject name: Biochemistry
[{'content': 'Carnitine is made-up of: \nSelect and explain. \nA. Leusine, B. Lysine, C. Lysine & methionine, D. Arginine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Lysine & methionineRef: Harpers Biochemistry, 30th edn. pg. 223-24* Carnitine is a quaternary ammonium compound biosynthesized from the amino acid lysine and methionine.* It is required for the transport of fatty acids from the intermembraneous space in the mitochondria, into the mitochondrial matrix during the breakdown of lipids for the generation of metabolic energy.', 'role': 'assistant'}]