What type of viruses are the polioviruses?
Correct answer: D. RNA naked virus
- A. DNA-enveloped virus
- B. RNA-enveloped virus
- C. DNA naked virus
- D. RNA naked virus
Explanation
The correct option is D.An RNA-naked virus is a virus that has an RNA genome but no envelope. The RNA genome is directly exposed to the environment. RNA naked viruses are more common than DNA naked viruses. Some examples of RNA viruses include poliovirus and rhinovirus.
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