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4 Written questions

4 Multiple choice questions

  1. the virus that causes AIDS.
  2. causes disease in tobacco plants.
  3. is a part of biology because they are active inside living cells.
  4. contain RNA or DNA in a protein coat.

4 True/False questions

  1. bacteriophagescauses disease in tobacco plants.


  2. capsid of a virusis the protective outer coat.


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


  4. viroidhave nuclei & organelles.


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