Across
- 2. a virus that causes infections in humans such as herpes, chickenpox measles
- 5. through the skin, such as a needle stick, a cut or a human bite
- 8. pertaining microorganisms that do not produce disease
- 11. bacteria that require oxygen to grow
- 12. ultramicroscopic infectious agents that contain DNA OR RNA
- 13. disease-producing microorganisms
- 15. spherical bacterial cells that reproduce by dividing into two
- 17. spiral shaped bacteria
- 18. rod-shaped bacteria that cause tuberculosis and other diseases
- 19. plants, such as mushrooms, yeast and molds that lack chlorophyll
- 20. infectious particles of proteins that lack nucleic acids
- 21. cocci that form irregular groups or clusters
- 22. single-celled microscopic animals without a rigid cell wall
- 24. a yeast commonly found in the oral cavity
Down
- 1. capable of causing serious disease
- 3. candida yeast infection of the oral mucosa
- 4. a painless ulcerating sore
- 6. bacteria that grow in the absence of oxygen and are destroyed by oxygen
- 7. a resistant, dormant structure formed inside of some bacteria that can withstand adverse conditions
- 9. four-step staining process developed by Hans C Gram and used to separate bacteria into groups
- 10. the study of microorganisms
- 13. a condition that occurs throughout the people of a country or the world
- 14. cocci that form chains as they divide
- 16. virus that is hidden during the latency period
- 23. dormant