17.3 &18.1
Across
- 3. The limited # of a species a virus can infect
- 6. Program created to understand DNA
- 8. A Protein shell built of capsomeres
- 9. A toxic molecular component
Down
- 1. # of genes compared with base pairs
- 2. A non-living infectious particle
- 4. A derivative of a pathogen to fight a virus
- 5. Viruses that can infect bacteria
- 7. Virus that causes AIDS