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4 Written questions

4 Multiple choice questions

  1. causes disease in tobacco plants.
  2. viral DNA become integrated into the host cell's DNA.
  3. is the protective outer coat.
  4. is a part of biology because they are active inside living cells.

4 True/False questions

  1. HIVthe virus that causes AIDS.


  2. clearcutting of forestsis most closely associated with emerging viruses.


  3. bacteriophagescauses disease in tobacco plants.


  4. lytic cycleviruses that infect a host cell & have their nucleic acid replicated but don't harm the host cell.


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