Microbiology: An Introduction
11th Edition
ISBN: 9780321733603
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: Benjamin Cummings
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Textbook Question
Chapter 28, Problem 2R
How does commercial sterilization differ from sterilization procedures used in a hospital or laboratory?
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Chapter 28 Solutions
Microbiology: An Introduction
Ch. 28 - What is industrial microbiology? Why is it...Ch. 28 - How does commercial sterilization differ from...Ch. 28 - Why is a can of blackberries preserved by...Ch. 28 - Outline the steps in the production of cheese, and...Ch. 28 - Beer is made with water, malt, and yeast; hops are...Ch. 28 - Why is a bioreactor better than a large flask for...Ch. 28 - The manufacture of paper includes the use of...Ch. 28 - Describe an example of bioconversion. What...Ch. 28 - Prob. 9RCh. 28 - NAME IT Van Leeuwenhoek was the first to see this...
Ch. 28 - Which bacteria seem to be most frequently used in...Ch. 28 - Methylophilus methylotrophus can convert methane...Ch. 28 - Faded worn-look denim is produced with cellulase....Ch. 28 - Foods packed in plastic for microwaving are a....Ch. 28 - Acetobacter is necessary for only one of the steps...Ch. 28 - Use the following choices to answer questions 35:...Ch. 28 - The spoilage of canned foods caused by Geobacillus...Ch. 28 - A heat-resistant fungus that causes spoilage in...Ch. 28 - The term 12D treatment refers to a. heat treatment...Ch. 28 - Which one of the following is not a fuel produced...Ch. 28 - Which type of radiation is used to preserve foods?...Ch. 28 - Which of the following reactions is undesirable in...Ch. 28 - Which of the following reactions is an oxidation...Ch. 28 - Suppose you are culturing a microorganism that...Ch. 28 - Researchers at the CDC inoculated apple cider with...Ch. 28 - The antibiotic efrotomycin is produced by...
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- Other than the application of heat, name other methods of sterilization. Define the methods and give examples of materials sterilized in each method.arrow_forwardWhat are the approaches for sterilization during the production of sterile products? Please answer at your own wordsarrow_forwardWhich physical or chemical agent would be the best choice for sterilizing the following items: glass pipettes, tryptic soy broth tubes, nutrient agar, antibiotic solution, interior of a biological safety cabinet, wrapped package of plastic Petri plates? Explain your choices.arrow_forward
- What is the difference between a disinfectant and an antiseptic? Which is most effective at removing microbes from a product: sanitization, degerming, or sterilization? Explainarrow_forwardWhich of the following is used in the sterilization of the medium?a) benmargeb) swabc) autoclaved) centrifugee) coolingarrow_forwardTransparent double-sided dishes used for growing microbes are most commonly called A) Petri dishes. B) baker dishes. C) sterilization plates. D) culture medium plates.arrow_forward
- What is an alternative to autoclaving for sterilizing heat-sensitive materials?arrow_forwardWhat are the differences between sterilization, disinfection, antisepsis, degermination, and sanitization? Would it still be possible to see the presence of microorganisms after achieving disinfection or antisepsis?arrow_forwardWhat is the purpose of degerming? Does it completely eliminate microbes? What are some factors that alter the effectiveness of a disinfectant?arrow_forward
- Distinguish between a sterilant, a disinfectant, and anantiseptic. What is cold sterilization?arrow_forwardSolid and liquid media are commonly prepared based on manufacturer’s instructions. If no instruction is provided on how the media should be sterilized, what would be the best option? METHOD:RATIONALE:arrow_forwardChoose two from the following culture preservations that are best to use when only an ordinary refrigerator is available for storage: a) Drying b) Mineral oil overlay c) Freezing with liquid nitrogen d) Lyophilization e) Periodic transfer to fresh mediumarrow_forward
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