click below
click below
Normal Size Small Size show me how
Micro lab 12
Micro 204, gram stain
Question | Answer |
---|---|
A preparation of 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 X stain. | differential |
All members of the genus Escherichia would be expected to be gram X. | negative |
Endospores usually appear X in a completed gram stain. | clear |
If your Staphylococcus aureus cells appear pink after gram staining the most likely cause was X. | over decolorizing |
Gram positive and gram negative cells have the same color after application is the first two gram stain reagents. T or F | true |
Generally speaking endospore forming bacteria stain gram X. | positive |
gram reactions are reliable only for cultures X hours old or younger. | 24 |
A smear when properly made should look X. | faintly cloudy |
The most critical step in making the gram stain is the application of the X. | crystal violet |
A culture that is too old may appear gram X when stained. | variable |
Gram positive bacteria stain | purple |
Gram negative bacteria stain | pink |