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': 'Introduction of DNA with the help of electricity is \nSelect and explain. \nA. Electrotransfer, B. Electroporation, C. Eelectrofusion, D. Electrolysis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]