PLATE COUNT METHOD Flashcards
1
Q
T/F:
You count colonies instead of bacterial cells?
A
TRUE
2
Q
What is the Standard Plate Count (SPC)
A
colonies that are seen on the plates after incubation represent living organisms
3
Q
What the Colony-Forming Units (CFU)?
A
when the number of viable bacteria in a sample is expressed as the “number of colonies”
4
Q
What was the mechanism used to calculate ever colony on the plate?
A
Quebec Colony Counter
5
Q
How to calculate the number of organisms per ml of culture?
A
multiply the number of colonies counted on the plate by the dilution factor (i.e, 10^-6)
CFU = number of colonies / dilution factor
