Multiple choice

___________ are enveloped viruses.

  1. Omsk hemorrhagic fever viruses

  2. Orthomyxo viruses

  3. The Murray Valley Encephalitis Viruses (MVEV)

  4. Mump

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Orthomyxoviruses (influenza A, B, and C viruses) are enveloped viruses that contain single-stranded RNA in a helical array of nucleoprotein. Inserted in the lipid envelop are two glycoproteins- the hemagglutinin (HA) and the neuraminidase (NA).