Across
- 3. process that viruses use to copy thamselves
- 4. cause illness when released by bacteria
- 6. virus that is inactive inside a cell
- 8. thick wall around a bacterium's chromosome and some of its cytoplasm
- 9. produced with the help of bacteria
- 11. occurs when an antibiotic is no longer effective against a type of bacteria
Down
- 1. process in which food is heated to a temperature that kills most harmful bacteria
- 2. caused by eating food contaminated by certain bacteria
- 5. bacteria that can live without oxygen
- 7. living cell infected with a virus
- 10. conversion of nitrogen into a form that plants can use
- 12. disease caused by viruses
