Modified MasteringMicrobiology with Pearson eText ValuePack Access Card for Microbiology with Diseases by Taxonomy
5th Edition
ISBN: 9780134298702
Author: BAUMAN
Publisher: PEARSON
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Question
Chapter 9, Problem 7SA
Summary Introduction
To determine
The difference between thermal death point and thermal death time.
Introduction:
Microorganisms vary in their susceptibility to heat. Heat is one of the common and older techniques to control microbial population. High temperature interferes with the integrity of cytoplasmic membrane and cell walls and denatures the proteins. Heat can also be used for the process of sterilization.
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Chapter 9 Solutions
Modified MasteringMicrobiology with Pearson eText ValuePack Access Card for Microbiology with Diseases by Taxonomy
Ch. 9 - In practical terms in everyday use, which of the...Ch. 9 - Prob. 2MCCh. 9 - Prob. 3MCCh. 9 - Prob. 4MCCh. 9 - Prob. 5MCCh. 9 - The endospores or which organism can be used as a...Ch. 9 - A company that manufactures an antimicrobial...Ch. 9 - Prob. 8MCCh. 9 - Prob. 9MCCh. 9 - Prob. 10MC
Ch. 9 - Prob. 11MCCh. 9 - Which of the following adjectives best describes a...Ch. 9 - Biosafety Level 3 includes ________. a. double...Ch. 9 - Prob. 14MCCh. 9 - Prob. 15MCCh. 9 - Prob. 16MCCh. 9 - Prob. 17MCCh. 9 - Prob. 18MCCh. 9 - Prob. 19MCCh. 9 - Prob. 20MCCh. 9 - Prob. 1SACh. 9 - Compare and contrast four tests that have been...Ch. 9 - Prob. 3SACh. 9 - Prob. 4SACh. 9 - Prob. 5SACh. 9 - Describe five physical methods of microbial...Ch. 9 - Prob. 7SACh. 9 - Prob. 8SACh. 9 - Prob. 9SACh. 9 - Compare and contrast the action of alcohols,...Ch. 9 - Prob. 11SACh. 9 - Why are alcohols more effective in a 70% solution...Ch. 9 - Contrast the structures and actions of soaps and...Ch. 9 - What are some advantages and disadvantages of...Ch. 9 - Prob. 15SACh. 9 - Calculate the decimal reduction time (D) for the...Ch. 9 - Prob. 2VICh. 9 - Prob. 1CTCh. 9 - Is desiccation the only antimicrobial effect...Ch. 9 - Prob. 3CTCh. 9 - Prob. 4CTCh. 9 - Over 1000 people developed severe diarrhea, and at...Ch. 9 - An over-the-counter medicated foot powder contains...Ch. 9 - Prob. 7CTCh. 9 - Prob. 8CTCh. 9 - Explain why quaternary ammonium compounds are not...Ch. 9 - Prob. 10CTCh. 9 - Would you expect Gram-negative bacteria or...Ch. 9 - Where should you place a sterilization indicator...Ch. 9 - Why is liquid water necessary for microbial...Ch. 9 - Prob. 14CTCh. 9 - During the fall 2001 bioterrorist attack in which...Ch. 9 - Prob. 16CTCh. 9 - Prob. 17CTCh. 9 - Prob. 1CMCh. 9 - Why does milk eventually go bad despite being...Ch. 9 - Why are BSL-4 suits pressurized? Why not just wear...Ch. 9 - Prob. 3TMWCh. 9 - Prob. 4TMWCh. 9 - Prob. 1EDCS
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- Differentiate between thermal death point and thermal death time,and provide examples of their uses.arrow_forwardHow can a life cycle of microorganism and heat resistance graph be used to determine the boiling time and temperature of heat treatment?arrow_forwardWhat is the effect of moist heat and dry heat? Define TDT and TDP. What is the minimum sterilization condition of autoclave? What is tyndallization, incineration, pasteurization.arrow_forward
- Diff erentiate between thermal death point and thermal death time, and provide examples of their uses.arrow_forwardWhy should you be careful not to underheat a smear during the heat-fixingprocess?arrow_forwardwhen heat treatment is used as to contril microbial growth, what is the immediate impact of this increased temperature?arrow_forward
- what is the thermal death time? what is the thermal death time for Bacillus subtilis and Staphylococcus aureus at 100 degrees celcius?arrow_forwardWhat is an alternative to autoclaving for sterilizing heat-sensitive materials?arrow_forwardWhat organism is the current record holder for theupper temperature limit for growth?arrow_forward
- What are the scientific principles involved with fracking?arrow_forwardin your own words, what is the function of pressure canning? pls indicate the temperature requiredarrow_forwardIs the autoclaving process absolute in killing all microorganisms? If not, what are the factors that hinder effective sterilization through autoclaving?arrow_forward
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