MASTERING MICROBIOLOGY BODY SYSTEMS
5th Edition
ISBN: 9781323651049
Author: BAUMAN
Publisher: PEARSON
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Chapter 25, Problem 8MC
Summary Introduction
Introduction:
Water treatment is the process through which wastewater is converted into an effluent that can be returned into the water cycle. In chemical wastewater treatment, certain chemicals are used for the purification of water.
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Chapter 25 Solutions
MASTERING MICROBIOLOGY BODY SYSTEMS
Ch. 25 - Prob. 1TMWCh. 25 - Prob. 2TMWCh. 25 - Prob. 1MCCh. 25 - Prob. 2MCCh. 25 - Prob. 3MCCh. 25 - Prob. 4MCCh. 25 - Prob. 5MCCh. 25 - Strains of the bacterium Pseudomonas syringae have...Ch. 25 - Prob. 7MCCh. 25 - Prob. 8MC
Ch. 25 - Prob. 9MCCh. 25 - Prob. 10MCCh. 25 - Lyophilization in food preservation is by...Ch. 25 - Prob. 1MTFCh. 25 - Prob. 2MTFCh. 25 - Prob. 3MTFCh. 25 - Prob. 4MTFCh. 25 - Prob. 5MTFCh. 25 - Intrinsic factors affecting food spoilage are...Ch. 25 - Prob. 2FIBCh. 25 - Prob. 3FIBCh. 25 - Potable water is allowed to have ________...Ch. 25 - Prob. 5FIBCh. 25 - Prob. 6FIBCh. 25 - ________ and _________ are the two types of food...Ch. 25 - Prob. 8FIBCh. 25 - A ________ is a device composed of microbes and...Ch. 25 - Prob. 10FIBCh. 25 - Prob. 1MCh. 25 - Prob. 1VICh. 25 - Prob. 2VICh. 25 - Why does the application or recombinant DNA...Ch. 25 - Given what you know about microbial nutrition and...Ch. 25 - Prob. 3CTCh. 25 - Prob. 4CTCh. 25 - Even though water and wastewater undergo...Ch. 25 - Take a critical look at the garbage in all of your...Ch. 25 - Explain why sakesometimes called rice winewould be...Ch. 25 - Prob. 8CTCh. 25 - Prob. 9CTCh. 25 - Suggest why neither the original food involved nor...Ch. 25 - Prob. 11CTCh. 25 - Prob. 12CTCh. 25 - Prob. 1CM
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- A microbe is only capable of growth at pH range of 8.5-10 in the presence of atmospheric levels of oxygen. Which statements are correct? Mark all that apply. A.)The microbe is likely to be a human pathogen B.)The microbe is a mesophile C.)The microbe is an obligate aerobe D.) The microbe is an alkiliphilearrow_forwarda) Biofilm is: a. a complex established community of microorganisms on solid surfaces b. is a layer of millions of identical bacteria on solid surfaces c. is a layer of compounds released from the tissue as a protection against pathogenic microorganisms d. All of these are correct b) Capsule formation is associated with the virulence of pathogenic bacteria. Why? Select all that apply. a. They are sticky and attach better b. They can escape phagocytosis c. The capsule makes them grow/multiply faster d. They kill immune cellsarrow_forwardWhich ONE of the following best describes the abbreviation ‘MIC’? Select one: A. The lowest concentration at which no microbial growth is detected B. The lowest concentration that indicates whether an antibiotic would be effective or not C. The lowest concentration which is not toxic to the host D. The lowest concentration which is least effective against the organism E. The lowest concentration which kills the organismarrow_forward
- (c) Public health scientists wanted to investigate the effect of ionising radiation on the growth of Salmonella typhimurium in the presence of antibiotics. They grew bacterial colonies of Salmonella typhimurium in petri dishes labelled A, B and C. The Petri dishes were kept at 36°C for 48 hours, with scientists observing the bacteria every 24 hours. The results for this investigation are below. Petri dish A B с Treatment Was subjected to ionising radiation followed immediately by a dose of antibiotic X An equal amount of antibiotic X was added (as was added to Petri dish A) Was given neither ionising radiation nor antibiotic X After 24 hours Small spots of growth on surface No growth Growth across whole surface After 48 hours (ii) Identify the purpose of petri dish C. Large spots of growth on surface No growth Growth across whole surface (i) Explain the effect of the ionising radiation on the bacteria. (iii) Explain why scientists must continue to develop new antibiotics.arrow_forwardWhich of the following is not true about biofilms a) are caused by many Gram positive and Gram negative bacteria as well as algae and fungi b) are highly contagious c) are hard to treat due to impermeability to drugsarrow_forwardThe reduction of pathogens to a safe and stable level is caused by the process of: a.Disinfection b.Sanitization c.Cleaning d.Sterilizationarrow_forward
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