This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Proteins, Subject name: Social & Preventive Medicine
[{'content': 'Methionine is a limiting amino acid in: \nSelect and explain. \nA. Cereals, B. Maize, C. Wheat, D. Pulses', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) PulsesRef: K. Park 23rded. /628* Pulses contain 20-25% of protein, which is considered more than eggs, fish, meat products. However the quality of protein in pulses is inferior to that of meat products.* Soyabean contains 40% of protein* Pulses protein are poor in methionine and to a lesser extent in cysteine.* Amino acid rich in pulses: LysineAlso KnowFOOD PRODUCTS AND THEIR LIMITING AMINO ACIDFood ItemLimiting Amino AcidsPulsesMethionine & CysteineCerealsThreonine & LysineMaizeTryptophan & Lysine', 'role': 'assistant'}]