Chpt+27_Vocab


 * Ch. 27 Bacteria and Archaea **

peptidoglycan Gram stain Gram-positive Gram-negative capsule slime layer fimbriae pili (sex pili) taxis chemotaxis nucleoid plasmids binary fission endospores genetic recombination horizontal gene transfer transformation transduction conjugation F factor R plasmids chemotrophs autotrophs heterotrophs obligate aerobes obligate anaerobes anaerobic respiration facultative anaerobes nitrogen fixation heterocysts (heterocytes) nitrogen fixation biofilms extremophiles extreme halophiles extreme thermophiles methanogens decomposers symbiosis host symbiont mutualism commensalism parsitism parasite pathogens exotoxins endotoxins bioremediation