round up Flashcards
1
Q
what’s the formula for CFU/titer?
A
(colonies) x (dilution factor) x (1/volume of cultured plate)
2
Q
what are two ways you could test to see if a culture is pure or not?
A
- streak plate
- gram stain
3
Q
what are two ways to get good isolation on a plate?
A
- spread more evenly
- plate a different dilution (more diluted)