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MIcro Lab 11
Micro 204, Smear preperation and simple staining.
| Question | Answer |
|---|---|
| Bacterial cells are difficult to see because the index refraction is very similar to X. | water |
| A good smear should appear only slightly X. | turbid |
| A slant culture is usually considered a better source of organism for staining than is a X culture. | broth |
| Tap water can be used to make smears because there are too few bacteria to be seen under oil immersion. T or F | True |
| A smear is best made if during the heating stage X heat is used. | mild |
| Virtually everyone has bacteria in their saliva. T or F | True |
| The large nucleated cells observed in saliva are most likely X. | squamous |
| If cells stained with methylene blue are washed too long the dye will be X. | washed off |