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: Microbiology
[{'content': 'Which of the following regarding bacterial drug resistance is not true - \nSelect and explain. \nA. Most bacterial drug resistance is due to production of penicillin degrading enzymes, B. Plasmid mediated resistance is always transmitted vertically, C. Complete elimination of target produces resistance to vancomycin, D. Alteration in target protein leads to pneumococcal resistance', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]