Laboratory Experiments in Microbiology (12th Edition) (What's New in Microbiology)
12th Edition
ISBN: 9780134605203
Author: Ted R. Johnson, Christine L. Case
Publisher: PEARSON
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Chapter 25, Problem 2Q
Summary Introduction
To write:
The growth phase in which an organism is most sensitive to an antimicrobial agent.
Introduction:
Bacterial growth occurs and there are four distinct phases of the growth curve : lag, log, stationary and death phase. The initial phase is the
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Laboratory Experiments in Microbiology (12th Edition) (What's New in Microbiology)
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- Categorise the microbial growth into four phases. In your own words, briefly describe each of themarrow_forwardDescribe several physical and chemical requirements for microbial growth, and explain what factors determine optimal conditions.arrow_forwardThere are different methods to deal with microorganisms’ growth.Whar are the various physical methods used by microbiologists to control microbial growth?arrow_forward
- List 5 physical methods of controlling microbial growth, and give an example of each. Why is moist heat much more effective than dry air?arrow_forwardHow does being in a biofilm affect an organism’s susceptibility to antimicrobial agents?arrow_forwardCould an organism that is susceptible to an antimicrobial agent in laboratory testing fail to respond to it when that drug is used to treat the patient? Explain.arrow_forward
- Why are antimicrobial processes inhibited in the presence of extraneous organic matter?arrow_forwardThere are various environmental factors that can influence microbial growth and reactions. These factors play a role which will determine if a microbe can function in a given environment. What are 2 environmental factors believed to be the most important out of the others ?arrow_forwardDefine microbial growth. Outline the effects of temperature, pH, osmotic pressure and oxygen onmicrobial growth.arrow_forward
- when heat treatment is used as to contril microbial growth, what is the immediate impact of this increased temperature?arrow_forwardWhy does a population of microbes not die instantaneously when exposed to an antimicrobial agent?arrow_forwardIn which growth phase is the organism most sensitive to the antibiotic?arrow_forward
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