If the concentration of E. coli in a broth is between 104 and 106 cells per mL, the best way determine the precise number of living cells in the sample, would be toa) use a counting chamber.b) plate out an appropriate dilution of the sample on nutrient agar.c) determine cell number by using a spectrophotometer.d) Any of these three methods would be satisfactory.e) None of these three methods would be satisfactory.
If the concentration of E. coli in a broth is between 104 and 106 cells per mL, the best way determine the precise number of living cells in the sample, would be toa) use a counting chamber.b) plate out an appropriate dilution of the sample on nutrient agar.c) determine cell number by using a spectrophotometer.d) Any of these three methods would be satisfactory.e) None of these three methods would be satisfactory.
Basic Clinical Laboratory Techniques 6E
6th Edition
ISBN:9781133893943
Author:ESTRIDGE
Publisher:ESTRIDGE
Chapter8: Basic Parasitology
Section8.3: Microscopic Methods Of Detecting Intestinal Parasites
Problem 9RQ
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If the concentration of E. coli in a broth is between 104 and 106 cells per mL, the best way determine the precise number of living cells in the sample, would be to
a) use a counting chamber.
b) plate out an appropriate dilution of the sample on nutrient agar.
c) determine cell number by using a spectrophotometer.
d) Any of these three methods would be satisfactory.
e) None of these three methods would be satisfactory.
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