Brock Biology of Microorganisms, Books a la Carte Plus Mastering Microbiology with eText -- Access Card Package (14th Edition)

14th Edition

ISBN: 9780321948304

Author: Michael T. Madigan, John M. Martinko, Kelly S. Bender, Daniel H. Buckley, David A. Stahl

Publisher: PEARSON

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Chapter 5, Problem 8RQ

How does a viable count differ from a total count?

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Chapter 5, Problem 7RQ

Chapter 5, Problem 9RQ

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Chapter 5 Solutions

Brock Biology of Microorganisms, Books a la Carte Plus Mastering Microbiology with eText -- Access Card Package (14th Edition)

Ch. 5.1 - Summarize the steps that lead up to binary fission...Ch. 5.1 - Define the term generation. What is meant by the...Ch. 5.2 - Prob. 1MQ Ch. 5.2 - Prob. 2MQ Ch. 5.2 - Prob. 3MQ Ch. 5.3 - Prob. 1MQ Ch. 5.3 - Prob. 2MQ Ch. 5.3 - Prob. 3MQ Ch. 5.4 - What are autolysins and why are they necessary? Ch. 5.4 - What is the function of bactoprenol?

Ch. 5.4 - What is transpeptidation and why is it important? Ch. 5.5 - What is a semilogarithmic plot and what...Ch. 5.5 - Prob. 2MQ Ch. 5.5 - Prob. 3MQ Ch. 5.6 - In which phase of the growth curve do cells divide...Ch. 5.6 - Prob. 2MQ Ch. 5.6 - Prob. 3MQ Ch. 5.7 - How do microorganisms in a chemostat differ from...Ch. 5.7 - What happens in a chemostat if the dilution rate...Ch. 5.7 - Do pure cultures have to be used in a chemostat?Ch. 5.8 - What are some of the problems that can arise when...Ch. 5.8 - Using microscopic techniques, how could you tell...Ch. 5.9 - Why is a viable count more sensitive than a...Ch. 5.9 - Describe how you would dilute a bacterial culture...Ch. 5.9 - Prob. 3MQ Ch. 5.10 - List two advantages of using turbidity as a...Ch. 5.10 - Describe how you could use a turbidity measurement...Ch. 5.11 - How does a hyperthermophile differ from a...Ch. 5.11 - Prob. 2MQ Ch. 5.11 - E. coli can grow at a higher temperature in a...Ch. 5.12 - Prob. 1MQ Ch. 5.12 - What molecular adaptations to cold temperatures...Ch. 5.13 - Which phylogenetic domain includes species with...Ch. 5.13 - How does the membrane structure of...Ch. 5.13 - What is Taq polymerase and why is it important?Ch. 5.14 - How does the concentration of H+ change when a...Ch. 5.14 - What terms are used to describe organisms whose...Ch. 5.15 - What is the aw of pure water? What is the lower...Ch. 5.15 - What are compatible solutes, and when and why are...Ch. 5.16 - How does an obligate aerobe differ from a...Ch. 5.16 - How does a reducing agent work? Give an example of...Ch. 5.16 - How does Superoxide dismutase or superoxide...Ch. 5.17 - Why is heat an effective sterilizing agent?Ch. 5.17 - What steps are necessary to ensure the sterility...Ch. 5.17 - Distinguish between the sterilization of...Ch. 5.18 - Define D10 and explain why the killing dose for...Ch. 5.18 - Prob. 2MQ Ch. 5.18 - Prob. 3MQ Ch. 5.19 - Distinguish between the antimicrobial effects of...Ch. 5.19 - Describe how the minimum inhibitory concentration...Ch. 5.19 - Distinguish between a sterilant, a disinfectant,...Ch. 5 - Prob. 1RQ Ch. 5 - Describe the role of proteins present at the...Ch. 5 - Prob. 3RQ Ch. 5 - Describe how new peptidoglycan subunits are...Ch. 5 - Prob. 5RQ Ch. 5 - Describe the growth cycle of a population of...Ch. 5 - How does a chemostat regulate growth rate and cell...Ch. 5 - How does a viable count differ from a total count?Ch. 5 - How can turbidity be used as a measure of cell...Ch. 5 - Prob. 10RQ Ch. 5 - Prob. 11RQ Ch. 5 - Concerning the pH of the environment and of the...Ch. 5 - How does a halophile maintain positive water...Ch. 5 - Prob. 14RQ Ch. 5 - Prob. 15RQ Ch. 5 - Contrast the terms thermal death time and decimal...Ch. 5 - Prob. 17RQ Ch. 5 - Prob. 18RQ Ch. 5 - Prob. 19RQ Ch. 5 - Describe the procedure for obtaining the minimum...Ch. 5 - Prob. 21RQ Ch. 5 - A medium was inoculated with 5 106 cells/ml of...Ch. 5 - Escherichia coli but not Pyrolobus fumarii will...Ch. 5 - In which direction (into or out of the cell) will...

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How does a viable count differ from a total count?

Solution Summary: The author explains the difference between viable and total cell count methods. Viable counts are accomplished by spread plate and pour-plate methods, subjected to errors due to insufficient mixing, non-uniform sample, and heat

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Chapter 5 Solutions