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4 Written questions

4 Multiple choice questions

  1. causes disease in tobacco plants.
  2. the virus that causes AIDS.
  3. is a part of biology because they are active inside living cells.
  4. viruses that infect a host cell & have their nucleic acid replicated but don't harm the host cell.

4 True/False questions

  1. capsid of a virusconsists of a protein coat & a nucleic acid core.

          

  2. bacteriophagesbacterial viruses with a polyhedral head & a helical tail.

          

  3. Virusescontains only a nucleic acid.

          

  4. typical viruscauses disease in tobacco plants.