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Naked viruses such as the picornaviruses are released mainly by

  • A.disintegration of the infected cell
  • B.budding through the plasma membrane
  • C.exocytosis in coated vesicles
  • D.transfer through cell junctions

Answer: A

Having no envelope to acquire, a naked virion has no budding step, so egress depends largely on the infected cell breaking down. That coupling of release to cell death is one reason such viruses are typically strongly cytolytic.

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