This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: general microbiology, Subject name: Microbiology
[{'content': "Eukaryotes are different in causing infection because? \nSelect and explain. \nA. They divide by binary fission, B. Highly structured cell with organized cell organelles, C. Don't have all organelles, D. Evolutionally ancient", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Because eukaryotes are structurally complex and have complex antigenic propeies. They are unlike prokaryotes does not have a well-established cellular organization Ref: Textbook of Microbiology; Ananthanarayan and Paniker; 9th edition.', 'role': 'assistant'}]