Biology 2 Crossword Puzzle

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

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