<LCPO> BIOLOGY
12th Edition
ISBN: 9781266216398
Author: Raven
Publisher: MCG CUSTOM
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Chapter 27.3, Problem 3LO
Summary Introduction
To describe: The way through which the antibiotic resistance can spread in and between bacterial populations.
Introduction: All life forms are classified into three main domains, namely,archaea, bacteria, and eukarya. These three domains are classified based on the type of cells of the organisms. Prokaryotes are unicellular microorganisms that lack membrane-bounded organelles and nucleus.
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How can the use of chemical agents contribute to bacterial antibiotic resistance?
List and describe the 4 mechanisms bacterial cells use in order to become antibiotic resistant.
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Chapter 27 Solutions
<LCPO> BIOLOGY
Ch. 27.1 - Prob. 1LOCh. 27.1 - Prob. 2LOCh. 27.1 - Describe classification systems for prokaryotes.Ch. 27.2 - Prob. 1LOCh. 27.2 - Prob. 2LOCh. 27.2 - Prob. 3LOCh. 27.3 - Prob. 1LOCh. 27.3 - Prob. 2LOCh. 27.3 - Prob. 3LOCh. 27.4 - Describe the metabolic strategies employed by...
Ch. 27.4 - Compare and contrast the ways prokaryotes can...Ch. 27.5 - Describe the role of prokaryotes in biogeochemical...Ch. 27.5 - Prob. 2LOCh. 27.5 - Prob. 3LOCh. 27.6 - Prob. 1LOCh. 27.6 - Prob. 2LOCh. 27.6 - Prob. 3LOCh. 27 - Data analysis If the excision of an F plasmid Is...Ch. 27 - Prob. 1IQCh. 27 - Prob. 1UCh. 27 - A bacteria that obtains carbon from the atmosphere...Ch. 27 - Prob. 3UCh. 27 - Bacteria and archaebacteria may be distinguished...Ch. 27 - Prob. 5UCh. 27 - Prob. 6UCh. 27 - Prob. 7UCh. 27 - Prob. 1ACh. 27 - Prob. 2ACh. 27 - Prob. 3ACh. 27 - Prob. 4ACh. 27 - Prob. 5ACh. 27 - Some bacteria are capable of forming NH4+ from...Ch. 27 - Prob. 7ACh. 27 - Prob. 1SCh. 27 - Prob. 2SCh. 27 - Use of multiple antibiotics is not a bad idea if...Ch. 27 - Soil-based nitrogen-fixing bacteria appear to be...
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- Antibotic/drug resistance in bacteria results from mutations induced by the anitbiotic which enhance fitness of the bacteria ensuring their survival. a) True b) Falsearrow_forwardDescribe how to recognize the presence of mutant, antiobiotic resistant bacteria. Where do they come from?arrow_forwardDescribe the production of semi-synthetic antibioticsarrow_forward
- What is leading to the development of antibiotic-resistance bacteria? Why should we be concerned?arrow_forwardWhat are the reasons behind antibiotic resistancearrow_forward10) If the bacterium Staphylococcus aureus experiences a cost for maintaining one or more antibiotic- resistance genes, what would happen in environments that lack antibiotics? A) These genes would be maintained in case the antibiotics appear. B) These bacteria would be outcompeted and replaced by bacteria that have lost these genes. C) These bacteria would try to make the cost worthwhile by locating and migrating to microenvironments where traces of antibiotics are present. D) The number of genes conveying antibiotic resistance would increase in these bacteria. 11) When nonrandom mating occurs in a population so that individuals prefer to mate with similar individuals, allele frequencies should A) remain the same, but homozygotes will be overrepresented in the population. B) remain the same, but heterozygotes will be overrepresented in the population. C) change and heterozygotes will be overrepresented in the population. D) change and homozygotes will be overrepresented in the…arrow_forward
- A great concern in hospitals is the spread of antibiotic resistance genes among bacteria to generate "superbugs". What are the major mechanisms that antibiotic resistance genes may be spread from one bacterium to another? Describe all possible mechanisms.arrow_forwardExplain how antibiotic resistance develops?arrow_forwardDiscuss the four main mechanisms of antibiotic resistance and factors that promote the emergence of antibiotic resistance.arrow_forward
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