Across
- 2. The genetic material inside a virus can be DNA or _______.
- 7. The process by which a virus makes copies of itself.
- 8. Balance in living things that viruses cannot do on their own.
- 9. Viruses are not made of these, unlike living organisms.
- 11. The living thing that a virus infects.
- 12. A protein shell that surrounds the genetic material of a virus.
- 13. Scientists debate whether these are truly ______.
Down
- 1. The outer membrane layer that surrounds some viruses is called an _______.
- 3. A disease caused by a virus that produces itchy blisters.
- 4. What a virus does when it enters a living thing
- 5. Tiny infectious particles that can only reproduce inside a host.
- 6. Viruses change over time through _______.
- 10. Viruses rely on the host cell to respond to these.