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
The following are applicable to bacterial genome except: 
Select and explain. 
A. It is composed of DNA, B. It does not contain histones, C. It is circular, D. Its DNA has both introns and extrons
D: Its DNA has both introns and extrons
Answer: D: Its DNA has both introns and extrons 
Explanation: None