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
Eukaryotes are different in causing infection because? 
Select and explain. 
A. They divide by binary fission, B. Highly structured cell with organized cell organelles, C. Don't have all organelles, D. Evolutionally ancient
B: Highly structured cell with organized cell organelles
Answer: B: Highly structured cell with organized cell organelles 
Explanation: 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.