| A | B |
|---|
| Virus | a very small particle made up of a core of nucleic acid with a protein coat. |
| vaccine | A substance that contains viruses or other disease causing agents that are dead or weakened and can no longer cause disease. |
| spirilla | Spiral or corkscrew shaped bacteria |
| monerans | Organisms that have the simplest cell structure. They are single-celled with no nucleus. The nuclear material is scattered |
| flagella | A whip-like structure that extends out of the cytoplasm of the cell |
| cocci | Sphere-shaped bacteria |
| blue-green bacteria | Monerans that are able to make their own food by photosynthesis |
| bacteria | A group of many kinds of monerans |
| bacilli | Rod-shaped bacteria |
