What is a Virus

1. The first virus discovered, happens to infect plants.
5. Most people are infected with a number of ____ and rarely notice.
8. Viruses are ___!
10. The first animal virus discovered.
11. Viruses that infect bacteria.
13. David ____ organized viruses based on their method of producing mRNAs.
14. Viral proteins that protect the genome.
15. All viruses require host ____ to translate mRNAs.
16. While we are exposed to viruses on a daily basis, most do not make us __.

2. As most species have multiple viruses associated with it, viruses are the most ___ group on Earth.
3. Viruses can be classified as ___ or enveloped.
4. All the viruses within a host is known as the ____.
6. The human genomes contains a number of viral sequences seen in ___.
7. Viral ___ can be DNA or RNA, unlike classical organisms.
9. While originally known as “non-filterable agents” as they were small enough to go through a filter, we have identified ___ viruses in recently.
12. An infectious, obligate intracellular parasite containing genetic material and surrounded by a protein cot.
14. Phage are very common in the oceans and are responsible for recycling __ and other nutrients.