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: Social & Preventive Medicine
[{'content': 'Amino acid score of animal foods – \nSelect and explain. \nA. 40–50, B. 50–60, C. 70–80, D. 90–100', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Amino acid score (chemical score)\n\nIt is used for qualitative assessment of protein.\nIt is a measure of the concentration of each essential amino acid in the test protein expressed as a percentage of that amino acid in reference protein (egg protein).\n\nAmino acid score =\xa0No. of mg of one amino acid per gm of protein /\xa0No. of mg of same amino acid per gm of egg protein x 100\n\nThe amino acid score is between 50 and 60 for starches and 70-80 for animal foods.', 'role': 'assistant'}]