Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Chapter 11.2, Problem 12AYP
Summary Introduction
To determine:
The process of filtration and also describe two advantages of microbial control.
Concept introduction:
Methods of controlling microbial growth are divided into two categories: physical method and chemical control method. Moist and dry heat, cold treatment, desiccation, radiation, and filtration are the physical control microorganisms.
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Chapter 11 Solutions
Microbiology: A Systems Approach
Ch. 11.1 - Distinguish among the terms sterilization,...Ch. 11.1 - Prob. 2AYPCh. 11.1 - Prob. 3AYPCh. 11.1 - Name four categories of cellular targets for...Ch. 11.2 - Prob. 5AYPCh. 11.2 - Prob. 6AYPCh. 11.2 - Define thermal death time and thermal death point,...Ch. 11.2 - Prob. 8AYPCh. 11.2 - Prob. 9AYPCh. 11.2 - Identify advantages and disadvantages of cold...
Ch. 11.2 - Differentiate between the two types of radiation...Ch. 11.2 - Prob. 12AYPCh. 11.2 - Prob. 13AYPCh. 11.3 - Name the desirable characteristics of chemical...Ch. 11.3 - Discuss several different halogen agents and their...Ch. 11.3 - List advantages and disadvantages to the use of...Ch. 11.3 - Explain the mode of action of alcohols and their...Ch. 11.3 - Prob. 18AYPCh. 11.3 - Define the term surfactant, and explain this...Ch. 11.3 - Identify examples of some heavy metal control...Ch. 11.3 - Discuss the advantages and disadvantages of...Ch. 11.3 - Prob. 22AYPCh. 11 - Microbial control methods that kill/destroy...Ch. 11 - Sanitization is a process by which a. the...Ch. 11 - Prob. 3MCQCh. 11 - Prob. 4MCQCh. 11 - Prob. 5MCQCh. 11 - The primary mode of action of nonionizing...Ch. 11 - The most practical method of disinfecting...Ch. 11 - A chemical with sporicidal properties is a....Ch. 11 - Prob. 9MCQCh. 11 - Detergents are a. high-level germicides. b....Ch. 11 - Prob. 11TFCh. 11 - Prob. 12TFCh. 11 - Prob. 13TFCh. 11 - Prob. 14TFCh. 11 - Prob. 15TFCh. 11 - a.Precisely what is microbial death? b.Why does a...Ch. 11 - Prob. 2CTQCh. 11 - Prob. 3CTQCh. 11 - Tissue transplantation is a procedure that saves...Ch. 11 - Conduct additional research on the use of...Ch. 11 - From chapter 2, figure 2.20. Study this...Ch. 11 - Prob. 2VCCh. 11 - Using the words that follow, please create a...
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- Another method of microbial control is filtration. List down at least 5 kinds of filters which could be used for this method?arrow_forwardexplain these types of microbial control methods: Refrigeration and freezing , Desiccation and Lyophilization, osmotic pressure, radiation and its effect to microorganisms.arrow_forwardbriefly explain the principle behind this technique; gel-filtration chromatographyarrow_forward
- Briefly compare filtration and ionising radiation as antimicrobial control methods.arrow_forwardWhich of the following is NOT a feature associated with filtration? sterilization of heat-sensitive materials use of HEPA filters to filter air ability of some filters to trap viruses and proteins nitrocellulose or plastic membrane filters varying thicknesses of membrane filters usedarrow_forwardWith the aid of a diagram, explain the principles of gel filtration chromatography.arrow_forward
- hks Describe the protocol to generate competent cells through electroporation method.arrow_forwardExplain this example of the following water quality serial dilution. Note the dilution factors and how you would calculate #’s from the incubated plates. ……A serial dilution yielded TNTC in the 1:1 plate and the 1:10 plate, 10 cfu’s in the 1:100 plate and 1 cfu’s in the 1:1000 plate .arrow_forwardBriefly compare filtration and ultraviolet (UV) radiation as antimicrobial methods.arrow_forward
- Differentiate between surface immobilisation and microencapsulation of enzymes and discuss the advantages and disadvantages of each method.arrow_forwardBriefly explain biomedical waste.arrow_forwardDescribe situations that require high-level disinfection and thosefor which medium- or low-level disinfection is adequate.arrow_forward
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