Ex. 9 More differential Stains Flashcards
1
Q
What are the two basic ways to stain bacterial cells?
A
- Simple stains
- Differential stains
2
Q
What is the purpose of a simple stain?
A
To color the cell so it is easier to view under a microscope. Ability to see cellular morphology and arrangement.
3
Q
What is the purpose of a differential stain?
A
to enhance the visualization of unique characteristics of a particular species or group of species.
4
Q
What step determines the identifying difference between the two groups?
A
The differential step
5
Q
What kind of bacteria do not stain well will gram stain?
A
Acid-fast bacteria
6
Q
What is an acid-fast stain?
A
Differential stain is used to differentiate bacteria that have a high concentration of mycolic acid in their cell walls.
