| A | B |
| Virus | a non-cellular particle made up of genetic material and protein that invades living cells |
| Lysogenic Infection | the cycle in which viruses don't reproduce and lyse it's host cell |
| Prophage | viral DNA attached to the bacterial chromosome |
| Retrovirus | A virus that carries the genetic info. as RNA |
| Reverse Transcriptase | an enzyme found in retrovirus that can convert the RNA into DNA |
| Lytic Infection | the cycle in which viruses infect host cells and uses the host's machinery to reproduce and lyse the cell |
| Parasite | a organism that depends on the host in such a way that it harms the host |
| Bacteriophage | A virus that infects bacteria |
| Genetic Information | can come in the form of DNA or RNA |
| Head of Virus | part of a virus that includes the protein coat and nucleic acid |
| Tail of virus | the structures by which a virus attaches itself to the host cell |
| Capsid | the head of the virus |
| HIV | example of a retrovirus |
| West Nile Virvus | another example of a retrovirus |
| Rod-shape, Tadpole, Helical, and Cubelike | examples of the shapes of viruses |
| Martinus Beijerinck | a Dutch scientist who named the non-bacterial disease causing particles viruses |
| 20-400 nanometers | the range of size for a virus |