Viruses

3. surrounds the capsid and helps the virus enter cells
5. The basic unit of all living things.
7. A protein coat that may contain RNA or DNA but not both
8. A tiny, nonliving particle that invades and then reproduces inside a living cell.
9. stimulates a host's immune system to mount defenses against the pathogen
11. DNA is added to the host cell's DNA and is copied along
12. The resistance to an infectious disease
13. A pandemic results from an epidemic that has grown past geographic boundaries.
14. RNA virus that contains reverse transcriptase
15. A viral infection causing small painful blisters and inflammation
16. An organism that can cause disease
18. A compound that inhibits the growth and reproduction of bacteria.

1. A specialized protein produced by the immune system that helps destroy disease-causing organisms.
2. helps ensure that if someone is already exposed, that they stay away from others.
4. The complete elimination of a disease.
5. A disease that can spread from person to person through direct or indirect transmission.
6. cycle of viral infection; results in replication of virus and cell destruction
10. to give someone a disease
15. virus attacks and destroys the human immune system.
17. A cell that a virus invades