Across
- 3. a rigid envelope surrounding the cytoplasmic membrane of most bacterial species
- 5. require a constant supply of oxygen
- 6. involves the virus assimilating its genome with the host cell's genome to achieve replication without killing the host
- 8. a group of microorganisms considered to be an ancient form of life that evolved separately from the bacteria and blue-green algae, and they are sometimes classified as a kingdom
- 14. the protein shell that encloses the nucleic acid
- 15. a virus that infects the bacterial species Escherichia coli only
- 17. an organism that eats other plants or animals for energy and nutrients
- 19. a process that destroys or eliminates all forms of microbial life and is carried out in health-care facilities by physical or chemical methods
- 20. A drug used to treat infections caused by bacteria and other microorganisms
- 22. an organism that can produce its own food using light, water, carbon dioxide, or other chemicals
Down
- 1. organism that breaks down dead organic material
- 2. rod-shaped, endospore-forming aerobic or facultatively anaerobic, Gram-positive bacteria
- 4. A preparation that is used to stimulate the body's immune response against diseases
- 7. prokaryotic organisms, predominantly unicellular and single cellular DNA chromosomes
- 9. he disintegration of a cell by disruption of its plasma membrane.
- 10. a bacterium with a rounded or spherical shape
- 11. organisms whose cells lack a nucleus and other organelles
- 12. an organism causing disease to its host
- 13. A type of virus that has RNA instead of DNA as its genetic material
- 16. the firm nonliving layer that encloses and supports the cells of most plants, bacteria, fungi, and algae
- 18. Bacteria that can survive with or without oxygen
- 21. A bacterium with rigid spiral structure, thick, long, and move with flagella