Across
- 4. form of bacterium that has a thick internal wall around its chromosome and part of the cytoplasm
- 6. fixation conversion of atmospheric nitrogen into nitrogen compounds that living things can use
- 7. long whip-`like structure that helps some bacteria move
- 9. medicine that stops the growth and reproduction of bacteria
- 10. microscopic prokaryote
- 11. process of heating food to a temperature that kills most harmful bacteria
- 12. process in which two bacteria attach two bacteria of the same species attach to each other and share genetic material
Down
- 1. agent that causes disease
- 2. capacity of an organism to defend its self against disease
- 3. breakdown of dead organisms
- 5. use of organisms to clean up environmental pollution
- 8. cell division that forms two genetically identical cells