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Auburn University BIO 120 Quiz 3 1)No single medium exists that will support the growth of all bacteria: 2

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Auburn University

BIO 120

Quiz 3

1)No single medium exists that will support the growth of all bacteria:

2. How do you remove the cap of a test tube you are preparing to inoculate?

3. The Gram stain is a differential stain?
4. Bacterial cultures to be Gram stained should be 24-36 hours old?
5. The peptidoglycan layer of Gram-negative cells is thicker than the peptidoglycan layer of Gram-positive cells.
6. Primary stain in gram staining.
7. Gram’s iodine functions as the _____________in Gram staining.
8. Simple staining technique uses only one stain.
9.  You sterilize your loop and the mouth of a test tube by flaming.
10. Disinfection of your workspace destroys vegetative cells and viruses, but may not destroy
11. Unlike other staining techniques, bacterial cells are not usually                   with negative staining.
12. Counter stain used in Gram staining.