This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Proteins, Fats, Rich Sources, Subject name: Social & Preventive Medicine
[{'content': 'All are true about Net protein utilization (NPU) except: \nSelect and explain. \nA. Defined as Nitrogen retained / Nitrogen consumed X 100, B. Good for estimating protein quality, C. Egg has the highest NPU value, D. 1 gram protein is equivalent to 1 gram Nitrogen', 'role': 'user'}, {'content': 'Answer: D \nExplanation: NPU Nitrogen retained by the body/ Nitrogen intake x100 NPU = / 100 It gives a more complete expression of Protein quality. Egg has the highest NPU value of 96 (100). 1 gram of Nitrogen is equivalent to : 6.25 grams of protein. NPU of Indian diet : 50-80.', 'role': 'assistant'}]