Pre-AP Ch. 19
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| 7548582 | prokaryote | unicellular organism lacking a nucleus | |
| 7548583 | bacillus | rod-shaped prokaryote | |
| 7548584 | coccus | spherical prokaryote | |
| 7548585 | chemoheterotroph | organism that must take in organic molecules for both energy and carbon | |
| 7548586 | photoheterotroph | organism that is photosynthetic but needs organic compounds as a carbon source | |
| 7548587 | photoautotroph | organism that uses energy from sunlight to convert carbon dioxide and water to carbon compounds | |
| 7548588 | chemoautotroph | organism that makes organic carbon molecules from carbon dioxide using energy from chemical reactions | |
| 7548589 | obligate aerobe | organism that requires a constant supply of oxygen in order to live | |
| 7548590 | obligate anaerobe | organism that cannot live in the presence of oxygen | |
| 7548591 | facultative anaerobe | organism that can survive with or without oxygen | |
| 7548592 | binary fission | asexual reproduction in prokaryotes | |
| 7548593 | conjugation | form of sexual reproduction in prokaryotes, exhanges genetic information | |
| 7548594 | endospore | type of spore formed when a bacterium produces a thick internal wall that encloses its DNA and a portion of its cytoplasm | |
| 7548595 | nitrogen fixation | process of converting nitrogen gas into ammonia | |
| 7548596 | virus | particle made up of nucleic acid and protein, can replicate only by infecting living cells | |
| 7548597 | capsid | outer protein coat of a virus | |
| 7548598 | bacteriophage | virus that infects bacteria | |
| 7548599 | lytic infection | process in which a virus enters a cell and replicates, causing the cell to burst | |
| 7548600 | lysogenic infection | process by which a virus embeds its DNA into the DNA of the host cell and is replicated along with the host cells DNA | |
| 7548601 | prophage | the viral DNA that is embedded in the host cells DNA | |
| 7548602 | retrovirus | virus that contains RNA as its genetic information | |
| 7548603 | pathogen | disease-causing agent | |
| 7548604 | vaccine | a preperation of weakend or killed pathogens | |
| 7548605 | antibiotic | compound that blocks the growth and reproduction of bacteria | |
| 7548606 | viroid | single stranded RNA molecule that has no surrounding capsid | |
| 7548607 | prion | infectious particle made up of protein rather than DNA or RNA | |
| 7548926 | spirillum | spiral or corkscrew-shaped prokaryote |