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science ch 8
| Term | Definition |
|---|---|
| Archaea Domain | prokaryote domain of single celled microorganisms |
| Bacteria Domain | prokaryote domain of single celled bacterium |
| biofilm | a colony of prokaryotes that is stuck to a surface |
| cyanobacteria | photosynthetic bacteria |
| flagellum (flagella, plural) | Most prokaryotes have one or more long, thin "whips" |
| genetic transfer | the exchange of plasmids |
| plasmid | small circular independent DNA molecule |
| antibiotic resistance | They have evolved traits that make them resistant to one or more antibiotic drugs |
| bacteria (bacterium, singular) | prokaryotes in the Bacteria Domain |
| pathogen | Any organism that causes disease |
| vector | an organism that spreads bacteria or other pathogens |
| archaean | prokaryotes in the Archaea Domain |
| extremophile | organisms that live in extreme conditions |
| methanogen | a methane-producing bacterium especially an archaean which reduces carbon dioxide to methane |
| antibiotic drug | These drugs kill bacteria and may quickly cure the disease |