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Chapter 27: Bacteria and Archae

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Peptidoglycan   show
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show A staining method that distinguishes between two kinds of bacterial cell walls  
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Gram-positive   show
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Gram-negative   show
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Capsule   show
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show A short, hairlike appendage of a prokaryotic cell that helps it adhere to the substrate or to other cells  
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Plasmids   show
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Endospores   show
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Transduction   show
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Conjugation   show
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F Factor   show
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show The plasmid form of the F factor  
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R Plasmid   show
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Photoautotrophs   show
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show An organism that needs only carbon dioxide as a carbon source but obtains energy by oxidizing inorganic substances  
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Photoheterotrophs   show
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Chemoheterotrophs   show
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Obligate aerobes   show
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Obligate anaerobes   show
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show The use of inorganic molecules other than oxygen to accept electrons at the "downhill" end of the electron transport chain  
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Facultative anaerobes   show
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Nitrogen Fixation   show
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show A specialized cell that engages in nitrogen fixation in some filamentous cyanobacteria  
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show A surface-coating colony of one or more species of prokaryotes that engage in metabolic cooperation  
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Extremeophiles   show
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Extreme halophiles   show
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show An organism that thrives in hot environments  
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show An organism that obtains energy by using carbon dioxide to oxidize hydrogen, producing methane as a waste product  
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show An organism that absorbs nutrients from nonliving organic material such as corpses and converts them to inorganic forms  
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Symbiosis   show
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show The larger participant in a symbiotic relationship, serving as home and food source for the smaller symbiont  
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Mutualism   show
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Commensalism   show
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Parasitism   show
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show An organism that feeds on the cell contents, tissues or body fluids of another species while in or on the host organism; usually do not kill host  
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Pathogen   show
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