Microbiology

Biology

Quiz 22 :
The Proteobacteria

Quiz 22 :
The Proteobacteria

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Which of the following genera include bacteria with stalks?
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Answer:

C

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An appendage that is an extension of the bacterial cell wall and plasma membrane is a(n)______.
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Answer:

B

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An organism that uses methane or methanol as its sole carbon and energy source is called a ______.
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Answer:

B

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Species of the genus Hyphomicrobium are budding bacteria that attach to solid objects and are ______.
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Rickettsias are not ______.
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Members of the genus Rhizobium
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The process of conversion of ammonia to nitrate is referred to as _______.
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Most of the oligotrophic proteobacteria are found in the _______.
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Which of the following best describes the photosynthetic membranes of the purple nonsulfur bacteria?
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Which of the following genera grow symbiotically within root nodules of legumes as nitrogen-fixing bacteroids?
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Which of the following is true of Agrobacterium tumefaciens?
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The class of proteobacteria that may be incorporated into the gamma proteobacteria is the ______.
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The purple nonsulfur bacteria
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Rickettsia species are unable to use glucose as a carbon and energy source,but can use glutamate or succinate.
True False
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The stalk of Caulobacter increases in the surface area of the cell,which facilitates absorption of nutrients from nutrient poor environments.
True False
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Although discussed with the bacteria,Rickettsias are small obligate intracellular parasites and are therefore more properly classified as viruses.
True False
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Caulobacter is a genus of bacteria with a unique cell division cycle that yields two morphologically distinct cell types.
True False
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Rickettsias enter host cells by inducing ______.
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Members of the genus Rhizobium,when growing symbiotically within root nodule cells,are referred to as ______.
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A ______ is a hollow tubelike structure that surrounds a chain of cells.
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