| A | B |
|---|
| an infectus agent made up of a core of nucleic acid and a protein coat | Virus |
| The protein coast around the core of nucleic acid | Capsid |
| An additional protective coating usually made of lipids, proteins,and carbohydrates | Envelope |
| an organism that shelters and nourishes something | Host |
| The viral relication process that rapidly kills a host cell | The lytic cycle |
| a type of replication in which a virus does not immediately kill a host cell | The Lysogenic Cycle |
| A viral DNA segment that is inserted in a bacterial cell's chromosome | Prophage |
| a protein molecule that can cause disease to animals | Prion |
| A single strand of pure RNA | Virod |
| the process of injecting a person with a harmless or weakend or dead form of a virus | Vaccination |
| Small pieces of circular DNA | Plasmids |
| dehydrated cells formed when living conditions become unfavorable | Endospores |
| a process in which the chromosomes of a unicellular organism is continually replicated, after which the cell divides and forms two identical cells | Binary Fission |
| The process of exchanging genetic material through cell to cell contact | Conjugation |
| can live where no other organisms can survive | Archaebacteria |
| These archaebacteria live in the digestive tracts of cows and other mammals, in swampy areas and in sewage | Methanogens |
| This group of archaebacteria live in extremely hot water | Thermophiles |
| Includes all other bacteria that live in a much less harsh environment than archaebacteria | Eubacteria |
| Organisms that use oxygen during respiration | Aerobes |
| Organisms that do not use oxygen during respiration | Anaerobes |
| Monerans and other organisms that break down dead organic materials | Decomposers |
| A relationship involving direct contact between two organisms in which at least one of the partners benefits | Symbiosis |
