Across
- 7. Single-stranded DNA
- 10. putting together new virions
- 11. a disease in tobacco plants was caused by a virus
- 12. sometimes viruses contain these to help replicate
- 13. areas where virus-infected cells have been destroyed
- 15. double-stranded DNA
Down
- 1. defines the types of cells a virus can infect
- 2. new virions leave host cell and infect other cells
- 3. a fully formed virus that is able to establish an infection in a host cell
- 4. replicating viral genetic material
- 5. composed of protein(no nucleus acids)
- 6. virus-like agents that affect plants
- 8. external protein shell
- 9. are obligate intracellular parasites
- 14. getting into host cell