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': 'A 30 year old female patient complains of cough with sputum. Patient is a known case of tuberculosis and is on rifampin for the same. All of the following are true about this drug EXCEPT- \nSelect and explain. \nA. It inhibits transcription, B. It binds with the beta-subunit of prokaryotic RNA polymerase, C. It inhibits RNA polymerase activity, D. It binds with the alpha-subunit of prokaryotic RNA polymerase', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Rifampin :\xa0lt is an antibiotic widely used for the\xa0treatment of\xa0 tuberculosis and\xa0leprosy. Rifampin binds with the beta-subunit of prokaryotic RNA polymerase and inhibits its activity. It inhibits transcription.\nSatyanarayana- Biochemistry, 3rd edition, pg-549', 'role': 'assistant'}]