Exam 1 Lab review Flashcards
1
Q
Name a basic (cationic) dye?
A
Methylene blue, crystal violet, safranin
2
Q
Name an anionic dye?
A
Nigrosin
3
Q
What three lab procedures are used to determine if an organism is motile?
A
Hang drop, flagella stain and SIM medium
4
Q
Name a genus that is a Gram positive bacillus
A
Bacillus sp.
5
Q
Name a genus that is Gram negative bacillus
A
Escherichia sp.
6
Q
Name two sterile body parts
A
uterus, inner ear
7
Q
What type of microscope is best used to highlight the morphology of spirochetes
A
Dark field
8
Q
Which staining technique presents cells in a more natural state?
A
Negative staining technique. The cells are not heat or chemically modified
