Unit 1 Influenza

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Across
  1. 2. evolution occurs at this level which only includes one species
  2. 3. the type of selection in which both extremes are favored
  3. 4. the name for the protein coat covering the genetic material
  4. 7. produces a protein using RNA nucleotides
  5. 8. an abrupt, major change that has the potential to cause pandemics
  6. 10. some viruses have this covering the protein coat
  7. 12. produces a copy of DNA using RNA nucleotides
  8. 13. a recipe for a protein
Down
  1. 1. the type of selection in which one extreme of the phenotype is favored
  2. 3. small changes in virus genes that produces viruses that are closely related
  3. 5. step in the replication cycle is when the virus recognizes and binds to its host cell
  4. 6. a protein that binds to a pathogen to trigger an immune response
  5. 9. a part of a foreign object that an antibody recognizes
  6. 11. a variation of the lytic cycle; the virus integrates into the DNA of the host cell