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A virus that has lost its envelope is best described as

  • A.more infectious than before
  • B.converted into a viroid
  • C.unchanged in every respect
  • D.no longer infectious

Answer: D

The envelope carries the glycoproteins that bring about attachment and entry, so a stripped particle cannot begin a new cycle even with its genome intact. This is why lipid solvents inactivate enveloped viruses so readily.

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