Across
- 2. Protein shell of a virus
- 8. Outer boundary of a cell
- 9. Single-stranded genetic material
- 11. Jellylike substance inside cells
- 12. Organism a virus infects
- 13. Nonliving particle that infects cells
- 14. Disease-causing agent
- 18. Site of protein synthesis
- 19. Double-helix genetic material
- 20. Copying genetic material
Down
- 1. Virus that causes the flu
- 3. Cell type without a nucleus
- 4. Organelle that holds DNA
- 5. Cell type with a nucleus
- 6. Process of making new organisms
- 7. Prokaryotic microbes
- 10. Protective covering
- 15. Virus that attacks immune cells
- 16. Tiny cell structures with jobs
- 17. Basic unit of life