Viruses

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Across
  1. 1. Protein shell of virus
  2. 3. Small petrel of southern seas
  3. 4. site Proteins that are on the surface of each cell
  4. 7. cycle One of two cycles if viral reproduction
  5. 9. A virus that infects bacteria
Down
  1. 2. Coat Protein subunit called capsomere
  2. 5. Group of RNA viruses which insert DNA copy
  3. 6. reproduction Lytic infection
  4. 7. cycle Destruction of the infected cell and membrane
  5. 8. substance used to stimulate the production of antibodies and provide immunity