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': 'The amino acid which serves as a carrier of ammonia from skeletal muscle to liver is: \nSelect and explain. \nA. Alanine, B. Methionine, C. Arginine, D. Glutamine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A. AlanineTransport form of Ammonia from most tissues including brain is GlutamineTransport form of Ammonia from skeletal muscle is Alanine.', 'role': 'assistant'}]