Across
- 4. - Single-celled eukaryotic organism
- 5. - Beneficial microbes that protect the body
- 9. - Tool to view microorganisms
- 11. - Harmful substances produced by bacteria
- 12. - Organism that does not need oxygen
- 14. - Stain separating Gram positive and Gram negative bacteria
- 15. - Immune protein binding antigens
- 18. - Sterilization with steam under pressure
- 20. - Easily spread from person to person
Down
- 1. - Virus outside a host cell
- 2. - Caused by protozoan parasite Plasmodium
- 3. - Organism a parasite or virus relies on
- 6. - Fungi
- 7. - A nonliving infectious agent that requires a host cell to replicate
- 8. - Any microorganism that causes disease
- 10. - Yeast fungus
- 13. - Infectious protein
- 16. - Organism that lives on or in a host and harms it
- 17. - Parasitic worm
- 19. - Structure protecting virus genetic material