This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of protein and amino acid, Subject name: Biochemistry
[{'content': 'Which of the following amino acid is required for synthesis of hemoglobin? \nSelect and explain. \nA. Alanine, B. Glycine, C. Arginine, D. Histidine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Synthesis of Heme The enzyme ALA synthase condenses glycine with succinyl CoA to form delta-aminolevulinic acid (ALA) (Chapter 21). It is the key enzyme of heme synthesis.Ref: DM Vasudevan - Textbook of Biochemistry, 6th edition, page no: 185', 'role': 'assistant'}]