| Term | Definition |
| cocci | circular shaped |
| bacillus | rod shaped |
| spirillium | spiral shaped |
| staphlo- | clumped |
| strepto- | chains |
| diplo | two |
| photo | light |
| chemo | chemicals |
| auto - | slef |
| hetero- | other |
| trough | nourish |
| virus | poison |
| prions | protein infectious particles |
| retrovirus | causes cancers |
| lytic infection | enters cell, copies, cell bursts |
| lysogenic infection | integrates DNA, replicates DNA with host DNA, inactive for long time till lyse later |
| Virus Characteristics | not alive, reproduce by infecting living cells |
| Eubacteria | everywhere, peptidoglycan cell wall, need O2 |
| Archeobacteria | extreme environments, no peptidoglycan cell wall, live w/o O2 |
| pathogens | bacteria that cause disease |
| virus structure | DNA/RNA in a protein coat |
| bacteria's role in the environment | fix nitrogen, recycle nutrients, photosysnthesis |
| capsid | protein coat on a virus |
| prophage | Viral DNA embedded in host's DNA |
| Controlling Bacteria | sterilization, disinfectants, food storage and processing |
| viroids | single stranded RNA with no capside around it |