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The protein coat of a virus is described as virus-coded, meaning it is

  • A.taken ready-made from the host cell
  • B.synthesised by enzymes carried in the virion
  • C.assembled from host membrane lipid
  • D.specified by the viral genome, not the host

Answer: D

The instructions come from the virus but the ribosomes doing the work belong to the cell, which is the arrangement for every viral protein. The envelope is the opposite case, being host lipid carrying virus-coded glycoproteins.

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