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Compared with a naked virus, an enveloped virus is generally

  • A.more easily inactivated by lipid solvents
  • B.more resistant to drying and disinfectants
  • C.unable to infect animal cells
  • D.always larger than 1000 nm

Answer: A

The envelope is a lipid bilayer, so anything that disrupts lipid destroys the particle's ability to attach and fuse. Naked viruses have only protein on the outside and survive drying, acids and detergents far better, which is reflected in how each group is transmitted.

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