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The lipid envelope of an enveloped virus is derived from

  • A.the viral capsid
  • B.the host cell wall
  • C.lipid synthesised by viral enzymes
  • D.a membrane of the host cell

Answer: D

The envelope is taken from the plasma membrane or another host membrane as the particle leaves, and the virus contributes only the glycoproteins embedded in it. Because the lipid is host derived, an enveloped virus is readily inactivated by solvents and detergents.

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