Viruses

2. Outer lipid layer that surrounds some viruses, taken from the host cell membrane
6. Substance that stimulates the immune system to protect against a specific virus or disease
7. Living organism that a virus infects and uses to reproduce
8. Change in the genetic material of a virus that can create new strains
10. Protein coat that surrounds and protects a virus’s genetic material
11. Protein made by the immune system that binds to a specific virus and helps destroy it
12. Tiny infectious particles made of genetic material and protein that can only reproduce inside a host cell

1. Viral cycle in which viral DNA is inserted into the host’s DNA and can remain inactive for a long time
3. Viral cycle in which the virus quickly replicates and causes the host cell to burst
4. An outbreak of a disease that spreads across countries or continents
5. Virus that infects bacteria
9. Type of RNA virus that uses reverse transcriptase to make DNA from RNA