Microbiology: Principles and Explorations
Microbiology: Principles and Explorations
9th Edition
ISBN: 9781118743164
Author: Jacquelyn G. Black, Laura J. Black
Publisher: WILEY
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Chapter 6, Problem 5SQ

The most probable number (MPN) technique is a method used to:

  1. (a) Estimate the number of viable microbes in a water sample
  2. (b) Count microbes whether they are dead or alive
  3. (c) Spread microbes on the surface of agar dishes for later retrieval of colonies and DNA
  4. (d) Measure total microbial biomass in a water sample
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A microbiologist inoculates a growth medium with 100 bacterial cells/ml. If the generation time of the species is 1 hour, and the microbes are in the exponential (log) phase of growth, how many hours require for the culture to surpass 10,000 cells/ml, if the culture is checked once each hour? O 1) 2 hours O 2) 7 hours O 3) 3 hours O 4) 10 hours O 5) 24 hours

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Microbiology: Principles and Explorations

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cell culture and growth media for Microbiology; Author: Scientist Cindy;https://www.youtube.com/watch?v=EjnQ3peWRek;License: Standard YouTube License, CC-BY