BIO153H5 Final: BIO153 Final Exam Review Winter 2015 – Chapter 27
Document Summary
Bio153 final exam review winter 2015 chapter 27. Anaerobic respiration: a catabolic pathway in which inorganic molecules other than oxygen accept electrons at the downhill end of electron transport chains. Bioremediation: the use of organisms to detoxify and restore polluted and degraded ecosystems. Commensalism: a symbiotic relationship in which one organism benefits but the other is neither helped nor harmed. Decomposer: an organism that absorbs nutrients from nonliving organic material such as corpses, fallen plant material, and the wastes of living organisms and converts them to inorganic forms; a detritivore. Endospore: a thick-coated, resistant cell produced by some bacterial cells when they are exposed to harsh conditions. Endotoxin: a toxic component of the outer membrane of certain gram-negative bacteria that is released only when the bacteria die. Exotoxin: a toxic protein that is secreted by a prokaryote or other pathogen and that produces specific symptoms, even if the pathogen is no longer present.
