| A | B |
| Are viruses considered to be living or non-living? | Non-living because viruses are not cells and don't exhibit all the criteria for life. They dont carry out respiration, grow or develop. |
| What do we call a virus that infects bacteria? | Bacteriophage or phage for short. |
| What are the two parts of a virus? | A virus has an inner core of nucleic acid,either RNA or DNA, and an outer coat of protien called a capsid. |
| Viruses cannot replicate on their own they must use a _____ _____? | Host cell. |
| Which replication cycle uses a provirus as one of its stages? | The lysogenic cycle. |
| What type of genetic material does a retro virus have? | RNA |
| Scientists think thatviruses may have originated from ______? | Host cell. |
| Give an example of a retro virus? | HIV--->Retro virus. The RNA virus with the most complex replication cycle is the retro virus. |
| Give an example of a virus that goes through the lysogenic cycle. | Herpes, coldsores simplex I or HIV, get in and hang out. |