Each of the following viruses possesses an outer lipoprotein envelope except_____________?
Correct answer: B. Papilloma Virus
- A. Varicella Zoster Virus
- B. Papilloma Virus
- C. Influenza Virus
- D. Human immunodeficiency virus
Explanation
Papillomaviruses are non-enveloped viruses with an icosahedral capsid, whereas varicella-zoster, influenza, and HIV possess lipid envelopes. The absence of an envelope also makes papillomavirus relatively resistant to environmental inactivation.
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