| A | B |
| virus | piece of DNA wrapped in a protein coat |
| DNA | core of a virus |
| capsid | another name for the protein coat around a virus |
| host | cell that a virus lives off of |
| subcellular | term that means viruses are not true cells |
| bacteriophage | type of virus that attacks bacteria |
| lytic cycle | describes the life of a virus in a host |
| lysis | breaking open of a host cell to release new viruses |
| stanley | man who first saw viruses |