| A | B |
| DNA | hereditary material |
| hereditary material | inner core of a virus |
| host | organism in which a virus lives |
| tail | structure used to attach itself to the outside of a cell |
| bacteriophage | virus that infects bacteria |
| Reproduce | Viruses can _______ inside living cells of plants and animals |
| Organism | what is invaded by a virus |
| Living cell | place where a virus reproduces |
| Influenza | ______________ and the Common Cold are caused by a virus |
| Virus | Invade and then attack living cells |
| electron | This kind of microscope is necessary to see a virus |
| AIDS | a virus called Autoimmune Deficiency Syndrome |
| head | This part of a virus is made up of a protein coat & hereditary material |
| Protein coat | the outer covering of a virus |
| viral infection | cannot be killed with antibiotics |
| bacterial infection | can be killed with antibiotics |