Unit 3: Genetics Extras  Study Guide

Chapter 19 Viruses Review
  1. Viruses are intracellular parasites and can reproduce only within cells.
     
     
     
     
  2. Bacterial viruses ( ) go through two alternative reproductive mechanisms.
     
     
     
     
    • The lytic cycle describes a phage.
       
       
       
       
    • The lysogenic cycle describes a phage.
     
     
     
     
  3. Animal viruses include RNA viruses, some of which are such as HIV that contain their own transcriptase. 
     
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