Across
- 4. a large part of the population of an area is immune to a specific disease
- 6. an infectious microbe consisting of a segment of DNA or RNA surrounded by a protein coat.
- 9. A virus or infection that no longer exists
- 10. a type of asexual reproduction
Down
- 1. proteins that speed up chemical reactions
- 2. the process of which bacteria transfer genetic material to another.
- 3. single-celled prokaryotes, including some that cause disease
- 5. temporarily inactive
- 7. a weakened or dead form of a pathogen that causes immunity towards an organism against that pathogen.
- 8. a tough spore that allows bacteria to withstand freezing,drying,or heating