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': "Rothera's test is utilized for detection of? \nSelect and explain. \nA. Glucose, B. Proteins, C. Urea, D. Ketone bodies", 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. D. Ketone bodiesTests in biochemistry:a. Ketone bodies - Rothera's testb. Reducing sugars - Benedict's test, Fehling's testc. Proteins - Heller's nitric acid test, Heat and acetic acid testd. Bile salts - Hay's teste. Bile pigments - Fouchet's testf. Blood - Benzidine test", 'role': 'assistant'}]