Viruses          Chapter 13

   I. Characteristics

  II. Parts
      A. Viron
      B. Capsid
         1. capsomere
      C. Envelope

 III.  Classification
          1. Bacteriophage

  IV. Reproduction
      A. Lytic cycle
      B. Lysogenic cycle

   V. Diseases

  VI. Other
      A. Prions
      B. Viroids