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Describe 3 different mechanisms of action (i.e. how do theywork?) of antibiotics and describe 3 different mechanisms by whichbacteria become resistant to antibiotics. Finally, describe theprimary mechanism by which antibiotic resistance genes aretransferred between bacterial cells.

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Nelly Stracke
Nelly StrackeLv2
29 Sep 2019
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Related questions

18. Health care professionals are concerned over the rise in antibiotic resistant bacterial strains. Exposure to antibiotics presents a selective environment that favors the evolution of resistance in bacteria. Which lines of evidence suggest that antibiotic resistance evolved a long time ago in bacteria (pre-dating the use of antibiotics by humans)? How and why has antibiotic resistance evolved in bacteria prior to exposure to antibiotic use by humans? What role does exposure to modern antibiotics play in the evolution of antibiotic resistance genes and mechanisms? Based upon the study by Baym et al. 2016, how does the evolution of antibiotic resistance in different bacterial strains inform drug discovery and better design of antibiotics and antimicrobials for human pathogens?

Health care professionals are concerned over the rise in antibiotic resistant bacterial strains. Exposure to antibiotics presents a selective environment that favors the evolution of resistance in bacteria. Which lines of evidence suggest that antibiotic resistance evolved a long time ago in bacteria (pre-dating the use of antibiotics by humans)? How and why has antibiotic resistance evolved in bacteria prior to exposure to antibiotic use by humans? What role does exposure to modern antibiotics play in the evolution of antibiotic resistance genes and mechanisms? Based upon the study by Baym et al. 2016, how does the evolution of antibiotic resistance in different bacterial strains inform drug discovery and better design of antibiotics and antimicrobials for human pathogens?

This experiment not only demonstrates artificial transformation, but also shows how bacteria can acquire antibiotic resistance by transferring genes for antibiotic resistance that are encoded on plasmids. List three physiological ways by which bacteria become resistant to antibiotics after they acquire the resistance genes. What function can these genes encode that makes the cells resistant to specific antibiotic?

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