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| 6634741893 | virus | an infectious particle that is nonliving | 0 | |
| 6634747168 | the word virus comes from the latin word meaning | poison | 1 | |
| 6634747169 | parasites | live in or on another living organism, causing them harm | 2 | |
| 6634751399 | host | the living organism that the parasite lives on | 3 | |
| 6634757292 | the founder of virology | Martinus Beijerinck | 4 | |
| 6634759811 | virology | the study of viruses | 5 | |
| 6634763419 | Wendell Stanley | American biochemist; inferred that viruses were not alive | 6 | |
| 6634770798 | viruses are only active when | inside a living cell | 7 | |
| 6634776413 | six parts of the virus | 1- capsid, 2- base plate, 3- tail fibers, 4- sheath, 5- collar, 6- RNA or DNA | 8 | |
| 6634781779 | capsid | the protein coat that surrounds the DNA or RNA | 9 | |
| 6634787245 | Bacteriophages | viruses that infect only certain types of bacteria | 10 | |
| 6634791806 | viruses are not affected by any known | antibiotic | 11 | |
| 6634795896 | Lytic cycle | a virus enters a cell, makes copies of itself, and causes the cell to burst | 12 | |
| 6634802438 | Lysogenic cycle | the host cell makes copies of the viral genetic materal indefinitely | 13 | |
| 6634818699 | the lytic cycle |  | 14 | |
| 6634823566 | the lysogenic cycle |  | 15 | |
| 6634825231 | prophage | the viral DNA embedded into the host cell's DNA | 16 | |
| 6634829510 | vaccines | contain a harmless variation of the pathogen | 17 | |
| 6634831661 | viroids | are known for their extreme simplicity and small size, much smaller than a virus | 18 | |
| 6634836422 | prions | disease causing particles that don't contain RNA or DNA, tiny bits of protein | 19 | |
| 6634843331 | Methanogens | have a unique way of getting energy, they convert hydrogen gas and CO2 into methane gas | 20 | |
| 6634849490 | halophiles | live in environments with high salt content | 21 | |
| 6634852405 | thermoacidophiles | live in very acidic environments at very high temperatures | 22 | |
| 6634855790 | eubacteria | "true" bactera | 23 | |
| 6634857644 | archaebacteria | lives in extreme environments | 24 | |
| 6634865710 | structures seen in a prokaryotic cell |  | 25 | |
| 6634865711 | flagella | long whip like structure used for movement | 26 | |
| 6643808643 | plasmid DNA | a small circular piece of DNA that is separate from the chromosome. A plasmid is generally one gene. | 27 | |
| 6643815158 | saprophytes | live on dead organic matter, very important as decomposers | 28 | |
| 6643818270 | photoautotrophs | organisms that use light energy from the sun to convert CO2 and H2O into the organic molecules glucose and oxygen | 29 | |
| 6643827915 | chemoautotrophs | use the energy from inorganic reactions as a source of energy to build molecules of glucose | 30 | |
| 6643833699 | obligate aerobes | organisms that require a constant supply of oxygen in order to live | 31 | |
| 6643838676 | obligate anaerobes | some bacteria do not require oxygen and are killed in its presence | 32 | |
| 6643846079 | facultative anaerobes | these organisms can survive with or without oxygen | 33 | |
| 6643849491 | binary fission | a type of asexual reproduction where one cell undergoes division to form 2 cells | 34 | |
| 6643857932 | nitrogen fixation | bacteria are able to convert nitrogen gas into nitrates | 35 | |
| 6643861345 | pathogen | a disease causing agent | 36 | |
| 6643863692 | vaccine | a weakened or killed form of the pathogen that stimulates the body's immune system to produce antibodies | 37 | |
| 6643872225 | antibiotics are compounds that | kill bacteria | 38 |
