26. Prokaryotes

Prokaryotic Diversity

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Which group of bacteria is unusual in that they lack peptidoglycan in their cell walls?
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What is the shape of streptococci bacteria?
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In what ways do prokaryotes differ from one another?
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Which of the following bacteria are the most prevalent in the human gut?
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On which of the following surfaces can biofilms form?
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There are two groups of bacteria which live in the Great Salt Lake: Halobacterium and Halococcus. The Great Salt Lake's average salinity is around 13%. What class of microbes do the Halobacterium and Halococcus species belong to?
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Which of the following is an example of horizontal gene transfer in bacteria?
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All organisms have specific environmental conditions in which they thrive. Most organisms cannot live in extremely salty environments. If a bacterium that normally lives in a fresh water environment is placed in an environment that is excessively salty, what will happen?
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Which of the following groups of prokaryotes is classified as a member of the domain Archaea?
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Which of the following is not true of Coxiella burnetii?
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An organism that requires an environment of high salt concentration describes an Extreme…
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Which of the following is not a trait that is shared by most types of bacteria?
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A cell is most likely to experience plasmolysis (contraction or shrinking of the cell) when…
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Methanopyrus kandleri is a species of archaea that lives in the hydrothermal vents of the Pacific Ocean. This species' optimal temperatures are between 100-122 ºC. This species also does not require oxygen, as it survives off of hydrogen gas and releases methane gas. What environmental classifications would this archaeal species fit into?
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Portions of the genomes of certain prokaryotic species are very similar to portions of the genomes of distantly related prokaryotes. The process that most likely accounts for this genetic similarity is __________.
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