Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Chapter 1.3, Problem 3R
Summary Introduction
To review:
The reason for the growing ineffectiveness of antibiotics in treating bacterial diseases when compared to the initial introduction of these drugs.
Introduction:
Antibiotic resistance is the phenomena where the microorganism is able to evade the attack by the antibiotics. This resistance towards an antibiotic is provided by the various methods of lateral or horizontal gene transfer like conjugation, transformation, and transduction. These genetic exchange leads to transmission of plasmids or genes for antibiotic resistance among bacteria.
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Why do bacteria that are not genetically resistant to antibiotics die out when exposed to antibiotics?
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The question below is one question I just separated the question marks
1) How are antibiotics, as a class of drugs, unique?
2)How does this facilitate resistance?
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Life: The Science of Biology
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- Substances that are naturally produced by certain microorganisms that can either inhibit or destroy other microorganisms are called: a)semisynthetic drugs b) narrow-spectrum drugs c) antibiotics d) synthetic drugsarrow_forwardWhat do you mean by antibiotics? Name some antibiotics.arrow_forwardSome antibiotics fail to kill/inhibit a pathogen simply because the microbe is naturally (intrinsically) resistant to it. True or False ?arrow_forward
- what are two broad classifications of antibiotics in terms of their ability to kill or inhibit?arrow_forwardYou have been given the job of creating the 'ideal' antibiotic for global use. What characteristics should this drug have?arrow_forwardAntibiotic resistant bacteria are commonly found in hospitals. Why do you think that is?arrow_forward
- Because of overuse of antibiotics and/or weakened governmental surveillance of infectious disease, several diseasesthat had been thought to be no longer a threat to humanhealth (e.g., pneumonia and tuberculosis) are rapidly becoming unmanageable. In several instances, so-called superbugs(microorganisms that are resistant to almost all known antibiotics) have been detected. How did this circumstancearise? What will happen if this process continues?arrow_forwardWhich of the following mechanisms of action of antibiotics has the fewest side effects? protein synthesis cell wall synthesis DNA replication synthesis of essential metabolites enzymatic activityarrow_forwardNo one would dispute the facts that the use of antibiotics is extremely beneficial. Why then are there currently discussions around the idea that we as a society should be limiting our antibiotic use? What are the pros and cons of utilizing antibacterial and antimicrobial products (NOT antibiotics) on a daily basis? Do you agree or disagree that the use of antibiotics should be reduced and if so, how should it be done?arrow_forward
- How do the antibiotics compare with chemicals in the cure of human disease?arrow_forward(a) Describe how a microorganism may become resistant to a drug to which it was previously susceptible. (b) What can health care workers do to help prevent the development of drug resistant microbes? (c) What can you do on a personal level to help prevent the development of drug resistant microbes? 2.arrow_forwardWhich of the following statements about antibiotics is TRUE? a) Antibiotics are used to disinfect bench tops.b) An antibiotic is a type of antiseptic.c) Some antibiotics inhibit the growth of a pathogen and do not kill it.d) Some antibiotics work by binding the 40S ribosomal subunit.e) Antibiotics are used to treat fungal infections.arrow_forward
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