This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacterial Genetics, Subject name: Microbiology
Nucleic acid is not found in - 
Select and explain. 
A. Virus, B. bacteria, C. Fungus, D. Prions
D: Prions
Answer: D: Prions 
Explanation: Ans. is 'd' i.e., Prions o Prions are infectious particle which contains protein onlyo They do not have nucleic acid. Prions have been defined as -Small proteinaceous infectious particle which resist inactivation by procedures that modify nucleic acids.