The term prokaryotes refers to which of the following?
unicellular organisms that have no nucleus
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The term microbiota refers to which of the following?
all microorganisms in a certain region of the human body
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Which of the following refers to the type of interaction between 2 prokaryotic populations in which one population benefits and the other is not affected?
commensalism
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Which of the following describes proteobacteria in domain bacteria?
phylum
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Which of the following alphaproteobacteria is the cause of rocky mountain spotted fever and typhus?
rickettsia
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Class betaproteobacteria includes all but which of the following genera?
campylobacter
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Haemophilus Influenzae is a common cause of which of the following?
Upper Respiratory tract infections NOT the flu virus
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Which of the following is the organelle that spirochetes use to propel themselves
axial filaments
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Which of the following bacteria are the most prevalent in the human gut?
Bacteroides (part of the CFB group)
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Which of the following refers to photosynthesis performed by bacteria with the use of water as the donor of electrons?
Oxygenic
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Which of the following bacterial species is classified as high G + C gram positive?
Corynebacterium diptheriae (actinobacteria)
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The term "deeply branching" refers to which of the following?
the position in the evolutionary tree of deeply branching bacteria
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Which of these deeply branching bacteria is considered a polyextremophile?
Deinococcus radiodurans
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Archae and bacteria are most similar in terms of their?
unicellular structure
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Which of the following is true of archaea that produce methane?
they live in the most extreme environments
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The class actinobacteria consists of high G+C bacteria
true
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Treponema Pallidum causes syphilis
true
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Which of the following cannot be classified with gram staining?