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': 'False statement is \nSelect and explain. \nA. Repressor binds operator gene, B. Regulator genes produce repressor subunits, C. IP TG is inducer but not substrate, D. Regulator gene is inducible', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e., Regulator gene is inducible', 'role': 'assistant'}]