Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 11, Problem 8MCQ
A chemical with sporicidal properties is
- a. phenol.
- b. alcohol.
- c. quaternary ammonium compound.
- d. glutaraldehyde.
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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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- This highly unstable agent can react strongly with DNA and proteins. a. ethylene oxide b. formaldehyde c. calcium hypochlorite d. triclosan e. hydrogen peroxidearrow_forwardA chemical with sporicidal properties isa. phenol b. alcohol c. quaternary ammonium compound d. glutaraldehydearrow_forwardIf we attached an amine group (NH₂) to Carbon 4, what type of amine will be the result? A. Primary amine B. Secondary amine C. Tertiary amine D. Quaternary aminearrow_forward
- What is the isoelectric point of casein? Please choose one correct answer only. A. pH 6.6 B. pH 5.6 C. pH 4.6 D. pH 3.6 E. None of the given optionsarrow_forwardThe test for starch in water is A. silver nitrate. B. iodine. C. barium ions. D. sulfuric acid. E. chloride ions.arrow_forwardThe analgesic phenacetin is synthesized by treating 4- ethoxyaniline with acetic anhydride. a. Which of the following is the structure of 4- ethoxyaniline? OCH₂CH3 NH₂ OCH₂CH3 NH₂ OCH₂CH3arrow_forward
- Which of the followings statements is false considering the properties of alkaloids: Select one: a. Some alkaloids are colored, like berberine (orange) and sanguinarine (yellow) b. Caffeine, cocaine, codeine and nicotine are water soluble, whereas others, including morphine and yohimbine are highly water soluble c. Most alkaloids contain oxygen in their molecular structure; those compounds are usually colorless crystals at ambient conditions d. Many alkaloids dissolve poorly in water but readily dissolve in organic solvents, such as diethyl ether, chloroform or 1,2-dichloroethane e. Most alkaloids have a bitter taste or are poisonous when ingestedarrow_forwardWhich of the following alters proteins and membranes? a. Alcohols b. Iodine c. All other choices d. Phenolic compoundsarrow_forwardSubstances those are partially dissolved in water are commonly known as اخترأحد الخيارات a. hydrophilic / hydrophobic b. false statement c. hydrophilic d. hydrophobic e. all given choices are incorrectarrow_forward
- Which of the following is not a characteristic of a primary standard material a. High molecular weight b. High purity usually above 99.5% c. Not reactive with air components d. low solubility in aqueous medium e. None below or abovearrow_forwardChoose the combination of answers that most accurately completes the statement. A chemical with sporicidal properties is a. phenol c. quaternary ammonium compound b. alcohol d. glutaraldehydearrow_forwardIdentify ALL the CORRECT statements regarding the compound shown below. SELECT ALL THAT APPLY A. The compound is a heterocycle B. The compound is found in DNA C. The compound is a pentose sugar D. The compound is a purinearrow_forward
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