Across
- 3. Tough spore that allows bacteria to withstand freezing, drying out and heating
- 6. a simple, safe, and effective way of protecting you against harmful diseases, before you come into contact with them
- 7. Is a Single-celled prokaryotes
- 9. occurs when a significant portion of a population becomes immune to an infectious disease and the risk of spread from person to person decreases
- 10. An infectious microbe consisting of a segment of either DNA or RNA surrounded by a protein coat
Down
- 1. Temporarily inactive
- 2. A medicine that kills bacteria or slows their growth
- 4. A virus or infection that no longer exists
- 5. The process by which bacteria transfer genetic material to one another through direct contact
- 8. Proteins that speed up chemical reactions