Ch. 7 Vocabulary

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Across
  1. 7. use of organisms to clean up environmental pollution
  2. 8. medicine that stops the growth and reproduction of bacteria
  3. 10. process of heating food to a temperature that kills most harmful bacteria
  4. 12. change in DNA or RNA
  5. 13. protein that can attach to a pathogen and make it useless
  6. 16. conversion of atmospheric nitrogen into nitrogen compounds that living things can use
Down
  1. 1. capacity of an organism to defend itself against disease
  2. 2. cell division that forms two genetically identical cells
  3. 3. mixture containing material from one or more deactivated pathogens
  4. 4. process in which two bacteria of the same species attach to each other and share genetic material
  5. 5. ability of an organism to resist a virus or infection
  6. 6. breakdown of dead organisms and organic waste
  7. 9. microscopic prokaryote
  8. 11. agent that causes disease
  9. 14. long whiplike structure that helps some bacteria move
  10. 15. strand of DNA or RNA surrounded by a protein layer that can infect and replicate in a host cell
  11. 17. form of bacterium that has a thick internal wall around its chromosome and part of the cytoplasm