I. Lambda phage
      A. Life cycle
            a. bacteriophage = phage
         1. virulent phages
         2. lambda history
         3. temperate phage
            a. lytic
            b. lysogenic
               a) lysogen
               b) prophage

  II. lambda lytic pathway
      A. 3 phases of transcription
         1. immediate early
            a.  Cro
            b.  N.
         2. delayed early
            a.  Q
         3. late
            a. PR'

 III. lambda lysogenic pathway
      A. History
      B. CI - repressor
         1. structure
         2. promoters for cI
            a. PRM
            b. PRE
         3. actions
      C. CII
         1. Panti-Q
         2. PI
         3. PRE
      D. CIII
      E. Lysogenic Summary
      F. Superinfection prevention

  IV. Immunity Region Operation
      A. Operator structure
         1. OR1, OR2, & OR3 
      B. CI binding.
      C. Cro binding

   V. Lytic or Lysogenic
      A. Summary
      B. Decision
         a. [CII]
         b. proteinases