Across
- 1. The long, whip-like tail that helps a bacterium move
- 3. Any kind of infectious agent that causes disease
- 4. Medicine that can kill bacteria but is not effective against viruses
- 6. A preventative treatment that contains material from deactivated pathogens
- 8. Your body's ability to resist a virus or infection
- 9. When a cell divides, forming two genetically identical cells
Down
- 2. Any change in the DNA or RNA of a cell
- 4. A protein your body makes that can attach to pathogens and prevent them from making you sick
- 5. Microscopic prokaryotes that live everywhere
- 7. Non-living pathogen that can infect all living things