Micro 204, gram stain
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| A preparation of mixing a loopful of water and a bit of agar slant culture on a glass slide is called a | smear
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| the gram stain is an example of a X stain. | differential
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| All members of the genus Escherichia would be expected to be gram X. | negative
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| Endospores usually appear X in a completed gram stain. | clear
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| If your Staphylococcus aureus cells appear pink after gram staining the most likely cause was X. | over decolorizing
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| Gram positive and gram negative cells have the same color after application is the first two gram stain reagents. T or F | true
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| Generally speaking endospore forming bacteria stain gram X. | positive
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| gram reactions are reliable only for cultures X hours old or younger. | 24
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| A smear when properly made should look X. | faintly cloudy
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| The most critical step in making the gram stain is the application of the X. | crystal violet
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| A culture that is too old may appear gram X when stained. | variable
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| Gram positive bacteria stain | purple
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| Gram negative bacteria stain | pink
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kmorris8
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