Answered: A plate has 72 colonies with a total…

A plate has 72 colonies with a total dilution factor of 10-7, 0.1 ml was pipetted onto the plate, what was the original CFU/ml concentration of that sample?

Basic Clinical Laboratory Techniques 6E

6th Edition

ISBN:9781133893943

Author:ESTRIDGE

Publisher:ESTRIDGE

Chapter1: The Clinical Laboratory

Section1.8: Laboratory Math And Reagent Preparation

Problem 2.1CS

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The development of microbial growth is influenced by various natural conditions (both physical and synthetic) like pH, temperature, saltiness, gas focus (O2, CO2, and H2), nutrients, water action, and assimilation. Knowing the distinctive physical and chemical factors that influence the development and endurance of microbial growth in the climate will assist with reinforcing endeavors outfitted towards their control. These lines lessen or diminish their harmful impacts on humankind, creatures, and the climate.

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A plate has 72 colonies with a total dilution factor of 10-7, 0.1 ml was pipetted onto the plate, what was the original CFU/ml concentration of that sample?

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