Across
- 4. another name for the protein coat of a virus
- 6. type of vaccine that uses a poison
- 8. one of Louis's greatest contributions to science
- 9. eats and absorbs bacteria
- 10. the process of bursting a cell
- 11. bacteria replication involving splitting
- 14. single cell with a nucleus
Down
- 1. body defense involving inflammatory and immune responses
- 2. produces antibodies and killer cells
- 3. single cell with no nucleus
- 5. first antibiotic
- 7. an organism with no nuclei or organelles
- 12. body defense that provides a physical barrier
- 13. immunity that is accomplished through large vaccination