Lab Exercise 13: Viable Cell Count

Question 1

Be able to determine individual and total dilution factors in a serial dilution

o Use that information to calculate the number of CFU/ml in the original sample

Answer 1

DO EXAMPLE QUIZ

Question 2

What is a CFU? What do we assume it is?

Answer 2

CFU= Colony Forming Units/mL
-estimation of cells/mL
-assume each colony is 1 cell
-assumptions that mean our # is off (arrangement have huge affect)