Laboratory Experiments in Microbiology (11th Edition)
11th Edition
ISBN: 9780321994936
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 (11th Edition)
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- Categorise the microbial growth into four phases. In your own words, briefly describe each of themarrow_forwardList 5 physical methods of controlling microbial growth, and give an example of each. Why is moist heat much more effective than dry air?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
- How does being in a biofilm affect an organism’s susceptibility to antimicrobial agents?arrow_forwardhow is UV radiation a good type of control mechanism against microbial growth?please expalin what happens to the microbe and affects this control cause.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
- Define microbial growth. Outline the effects of temperature, pH, osmotic pressure and oxygen onmicrobial growth.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_forwardwhen heat treatment is used as to contril microbial growth, what is the immediate impact of this increased temperature?arrow_forward
- Why does a population of microbes not die instantaneously when exposed to an antimicrobial agent?arrow_forwardGlucose is added to the tissue culture media as a/ana) Carbon sourceb) Growth regulatorc) Solidifying agentd) Antibioticarrow_forwardWhat is the role of antimicrobials in disrupting microbial biota and causing superinfections?arrow_forward
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