Microbiology: A Systems Approach
4th Edition
ISBN: 9780073402437
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 11.3, Problem 20AYP
Identify examples of some heavy metal control agents and their most common applications.
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Name the desirable characteristics of chemical control agents.
Name three advantages and three disadvantages of biological treatment in comparison with physical-chemical treatment.
Describe 3 examples of heavy metal control agents and describe their most common applications.
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 - Prob. 2CFCh. 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 - Prob. 1CFCh. 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 - Prob. 1CTQCh. 11 - Prob. 2CTQCh. 11 - a.Precisely what is microbial death? b.Why does a...Ch. 11 - Prob. 4CTQCh. 11 - Prob. 5CTQCh. 11 - Prob. 6CTQCh. 11 - Prob. 7CTQCh. 11 - Prob. 8CTQCh. 11 - Tissue transplantation is a procedure that saves...Ch. 11 - Conduct additional research on the use of...Ch. 11 - Prob. 1CCCh. 11 - Prob. 2CCCh. 11 - Prob. 3CCCh. 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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- What are the modes of destruction and applications of the following agents:1.Heat2. Alcohol3. Acid4. Neutral salts5. Salts of heavy metalsarrow_forwardList and describe the different levels of effectiveness of germicidal chemicals. In that description be sure to mention what they are they do, where they are used, and any limitations they may have.arrow_forwardGive the uses and disadvantages of the heavy metal chemical agents, glutaraldehyde, and the sterilizing gases.arrow_forward
- What are the different toxicological parameters in ensuring the safety of a drug candidate? explain at your own wordsarrow_forwardDescribe three situations where you would use an excipient in your drug formulation and how you expect the excipient to help in the very of the active pharmaceutical ingredient.arrow_forwardQuestion 3 Briefly discuss the principle and significance of the following tests used in the quality control of natural product derived drugs. a) Acid value of lipids b) Loss on drying of crude drugs Question 4arrow_forward
- Please describe in detail what would be a suitable procedure should you break anErlenmeyer flask containing 50 mL of a biosafety level 2 microorganism inside amicrobiological safety cabinet.arrow_forwardGive the usage and disadvantages of the heavy metal chemicalagents, glutaraldehyde, and the sterilizing gases.arrow_forwardThe Kirby -Bauer antimicrobial sensitivity testing method relies on: A. The inhibition of one antimicrobial by another B. The diffusion of antimicrobials in paper discs C. Serial dilutions of antimicrobials in test tubes D. A gradient of an antimicrobial on a paper striparrow_forward
- Explain the role of toxicological parameters LOAEL in ensuring the safety of a drug candidate. explain at your own wordsarrow_forwardIn sterilization, which among the supplies, instruments, glassware, etc. under the list of materials can be sterilized using either or both equipment below? List them down under the category: a) For “autoclaving” only, B) For Dry heat oven sterilization ,And C) Can be sterilized with either. Materials: 200-ml Erlenmeyer flask Stove 500-ml Erlenmeyer flask Autoclave 10-mL graduated cylinder Analytical balance 100-ml graduated cylinder pH meter Spatula Stirring rod 100-mL beaker Test tubes Distilled water Petri dish Stirring rod Alcohol lamp Glass dropperarrow_forwardc) Humans can be exposed to chemical hazards in many ways. i. List three (3) methods on how chemicals could enter human body during chemical handling activity. ii. Suggest two (2) recommended PPE for each method in (i) which should be donned/worn to minimize such exposures.arrow_forward
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