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Microbiology

Biology

Quiz 3 :

Microscopy and Cell Structure

Quiz 3 :

Microscopy and Cell Structure

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The microscope that allows the specimen to appear three-dimensional is the
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B

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Individual atoms on the surface of prepared samples can be observed by using the
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C

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The order of reagents in the Gram stain reaction is
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B

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Which of the following microscope types would be least useful in viewing unstained living cells?
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Which of the following stains are considered differential?
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Eukaryotic cells are
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Specimens can be observed at the atomic level using a(n)
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The two magnifying lenses found in a light microscope are the
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In viewing a microscopic specimen, oil is used to
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The use of oil with certain high-power objective lenses increases
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Which may result in Gram-positive bacteria appearing to be Gram-negative?
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An electron microscope must use electromagnet "lenses" shaped like donuts to direct the electrons onto the specimen. Why?
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The major criteria used in placing bacteria into different groups is based on differences in
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The resolving power of a microscope is described as the ability of the microscope to
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Which microscope would be the BEST selection for examination of a virus?
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If everything else is equal, the best way to observe more details in a microscopic specimen is to
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The Gram stain and the endospore stain both use
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An electron microscope must use electromagnet "lenses" shaped like donuts (with a hole in the middle) to direct the electrons onto the specimen. Why aren't they solid, like the lenses in a light microscope?
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Electron microscopes differ from light microscopes in that
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Basic dyes
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