- Shuffle
Toggle OnToggle Off
- Alphabetize
Toggle OnToggle Off
- Front First
Toggle OnToggle Off
- Both Sides
Toggle OnToggle Off
Front
How to study your flashcards.
Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key
Up/Down arrow keys: Flip the card between the front and back.down keyup key
H key: Show hint (3rd side).h key
PLAY BUTTON
PLAY BUTTON
6 Cards in this Set
- Front
- Back
What is Negative Staining ?
|
Negative stain (definition) – does not stain bacteria but colors the background instead.
background = dark bacteria = clear |
The only staining procedure in which neither heat fixing nor strong chemicals are used is ______________________?
|
Negative Staining.
Since there is no heat fixation-the morphology of bacteria is not altered |
Negative stains include _____________________?
|
Negative stains include:
(1) Nigrosin (2) india ink (3) congo. |
Why are bacterial cells not stained with this dye?
|
Bacteria stained with negative staining that also have the same negative charge REPEL the dye, and maintain a clear appearance.
|
What is the purpose of negative staining?
|
FUNCTION:
(1) provides a background to view bacteria. PURPOSE: (2) ****It can be used for the identification of certain bacteria (spirochetes) or structures (bacterial capsules), spores and difficult to stain bacteria. |
Name two important diseases caused by spirochetes?
|
(1) Syphillis
(2) Lyme Disease |
