Which of the following has no nucleic acid?
Correct answer: C. Prions
- A. Bacteria
- B. Virus
- C. Prions
- D. Viroid
Explanation
Among bacteria, viruses, prions, and viroids, the only entity that does not contain nucleic acid is the prion. Bacteria have both DNA and RNA, viruses have either DNA or RNA, and viroids have only RNA. Prions, being just proteins without any genetic material, are the exception.
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