Chapter 1
Across
- 2. laboratory technique used to minimize contamination
- 4. cells whose genetic material is not enclosed in a nuclear envelope
- 6. unicellular eukaryotic organisms
- 8. treating a disease by replacing abnormal genes
- 9. parasitic round or flatworm
- 11. microbes that colonize a host without causing disease
- 15. chemotherapeutic agents prepared in a lab
- 18. cells having DNA inside a distinct membrane enclosed nucleus
- 21. disease producing organisms
- 22. the theory that living cells arise only from preexisting cells
- 23. photosynthetic eukaryotes
- 24. domain of prokaryotic organisms have peptidoglycan cell walls
- 25. a eukaryote absorptive chemoheterotroph
- 26. chemicals produced to act against other microbes
Down
- 1. all living organisms are composed of cells and arise from preexisting cells
- 3. protection from disease
- 5. naming system
- 7. the principle that microbes cause disease
- 10. the use of microbes to remove an environmental pollutant
- 12. the idea that life could arise spontaneously from nonliving matter
- 13. a submicroscopic, parasitic, filterable agent consisting of a nucleic acid surrounded by a protein coat
- 14. domain of prokaryote cells lacking peptidoglycan
- 16. treatment of disease using chemicals
- 17. microbial community that usually forms as a slim
- 19. a molecule produced by combining DNA from two different sources
- 20. living organisms to small to be seen with the naked eye