| A | B |
| Pathogenic | disease causing |
| Virus | microscopic particle which invades a host cell and often destroys it. |
| Lytic Cycle | The viral cycle in which the virus its DNA/RNA into a host cell causing the host to immediately begin to produce new viruses |
| Lysogenic Cycle | The viral cycle in which the virus inserts its DNA/RNA into a host cell's DNA. The host cell does not immediately begin to produce viruses. |
| Bioremediation | The use of bacteria and other microorganisms to change pollutants in soil and water into harmless chemicals. |
| Antibiotic | A substance used to kill or slow the growth of bacteria or other microorganisms. |
| Host | An organism on which a parasite lives. |
| Prokaryotic | Cells that do not have a nucleus |
| Eukaryotic | Cells that have a nucleus |
| Producer/Autotroph | Organisms that produce their own food |
| Consumer/Heterotroph | Organisms that cannot make their own food. |
| Endospore | A bacterium surrounded by a thick protective membrane |
| Binary Fission | Simple cell division in which one cell splits into two genetically identical cells |
| Archaebacteria | Kingdom composed of prokaryotic organisms which survive in extreme environment |
| Eubacteria | Kingdom composed of prokaryotic organisms found in common environments |