Across
- 1. A substance made from weakened or killed pathogens that triggers defenses
- 5. Whip-like structures that help some bacteria move
- 7. Eukaryotes that are not animals, plants, or fungi
- 8. Cell type without a nucleus
- 11. Threadlike tubes that make up the bodies of fungi
- 14. Poisonous chemicals released by some bacteria
- 17. Process where one bacterium passes genetic material to another
- 18. A very small unit used to measure virus size
- 19. Cell type with a nucleus
Down
- 2. Single-celled organisms without a nucleus, often in extreme conditions
- 3. One of the three basic shapes of bacteria (besides ball and rod)
- 4. A tiny nonliving particle that reproduces inside a living cell
- 5. Bacterial asexual reproduction: binary ____
- 6. Single-celled organisms that lack a nucleus
- 9. One of the three basic shapes of bacteria (besides ball and spiral)
- 10. Example of infectious bacterium mentioned in the text
- 12. An organism that provides energy or a suitable place for a virus
- 13. A tough outer coating some bacteria form to survive harsh conditions
- 15. Reproductive cells fungi release to start new growth
- 16. Eukaryotes with cell walls that absorb food from their surroundings