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: Biochemistry
[{'content': 'Lac operon transcription is induced by \nSelect and explain. \nA. Glucose, B. Glucose with inducer, C. Inducer without glucose, D. All', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Inducer without glucose', 'role': 'assistant'}]