MicrobiologyLab12 Word Scramble
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Question | Answer |
A preparation made by mixing a loopful of water and a bit of agar slant culture on a glass slide is called a ________. | smear |
The Gram stain is an example of a ________ (type) stain. | differential |
All members of the genus Escherichia would be expected to be Gram-________. | negative |
Endospores usually appear ________ in a complete Gram stain. | clear or colorless |
True or false: Gram-positive and Gram-negative cells have the same color after application of the first two Gram stain reagents. | True. |
Generally speaking, endospore-forming bacteria would be Gram-________. | positive |
Gram reactions are reliable only for cultures ______ hours old or younger. | 24 |
Unless the procedure specifically indicates otherwise, Gram stain smears are first ________ ________. | air dried |
A smear when properly made should look (like milk/very dense/faintly cloudy). | faintly cloudy |
The most critical step in making the Gram stain is the application of the ________. | decolorizer |
A culture that is too old may appear Gram-________ when stained. | variable |
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NeuroHeart
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