Microbiology with Diseases by Body System (4th Edition)
4th Edition
ISBN: 9780321918550
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 3, Problem 3CT
Summary Introduction
To answer:
The possible ways the new chemotherapeutic drug acts selectively in killing the bacterial cells without harming the human.
Introduction:
The antimicrobial drugs are chemicals that act against bacteria to eradicate them. One of the basic principles of the drug that are used should effectively eradicate the microbes without harming the humans.
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Broad-spectrum drugs target a wide variety of bacterial pathogens. Even when the broad-spectrum drug is capable of killing a target pathogen, it may not be the best treatment.
Which statement best explains why a broad spectrum drug might be an undesirable treatment choice?
Broad-spectrum antimicrobials are usually toxic to the host cells.
Broad-spectrum antimicrobials only work if they are used shortly after the infection begins.
Broad-spectrum antimicrobials may kill much of the normal microbiota.
Broad-spectrum antimicrobials are not able to kill bacteria that are in their log phase of growth.
Broad-spectrum antimicrobials may stimulate excess growth of the normal microbiota.
Identify the objectives and methodology of the article below:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7824784/
Riboswitches as Drug Targets for Antibiotics
Vipul Panchal* and Ruth Brenk*
Name and describe three mechanisms of acquired antimicrobial resistance tools that microbes may use to thwart drug action.
Chapter 3 Solutions
Microbiology with Diseases by Body System (4th Edition)
Ch. 3 - Prob. 1TMWCh. 3 - In 1985, an Israeli scientist discovered the...Ch. 3 - Why is a pilus a type of fimbria, but a flagellum...Ch. 3 - Why is the microbe illustrated in Figure 3.2 more...Ch. 3 - When the bacterium Escherichia coli is grown in a...Ch. 3 - Prob. 6TMWCh. 3 - Why do scientists consider bacterial and archaeal...Ch. 3 - Why did scientists in the 19th and early 20th...Ch. 3 - Why do some scientists consider archaea, which are...Ch. 3 - Why are eukaryotic glycocalyces covalently bound...
Ch. 3 - Many antimicrobial drugs target bacterial cell...Ch. 3 - Colchicine is a drug that inhibits microtubule...Ch. 3 - A cell may allow a large or charged chemical to...Ch. 3 - Which of the following statements concerning...Ch. 3 - A 9 + 2 arrangement of microtubules is seen in...Ch. 3 - Which of the following is most associated with...Ch. 3 - Which of the following is not associated with...Ch. 3 - Which of the following is true of Svedbergs? a....Ch. 3 - Which of the following statements is true? a. The...Ch. 3 - Prob. 8MCCh. 3 - Bacterial flagella are ______________. a. anchored...Ch. 3 - Prob. 10MCCh. 3 - A Gram-negative cell is moving uric acid across...Ch. 3 - Gram-positive bacteria _______________. a. have a...Ch. 3 - Endospores ________________. a. are reproductive...Ch. 3 - Prob. 14MCCh. 3 - Dipicolinic acid is an important component of...Ch. 3 - Match the structures on the left with the...Ch. 3 - Match the term on the left with its description on...Ch. 3 - Label the structures of the following prokaryotic...Ch. 3 - Label each type of flagellar arrangement.Ch. 3 - A scientist who is studying passive movement of...Ch. 3 - Describe (or draw) an example of diffusion down a...Ch. 3 - Sketch, name, and describe three flagellar...Ch. 3 - Prob. 3SACh. 3 - The term fluid mosaic has been used in describing...Ch. 3 - A local newspaper writer has contacted you, an...Ch. 3 - Prob. 6SACh. 3 - Compare bacterial cells and algal cells, giving at...Ch. 3 - Contrast a cell of Streptococcus pyogenes (a...Ch. 3 - Differentiate among pili, fimbriae, and cilia,...Ch. 3 - Prob. 10SACh. 3 - Prob. 11SACh. 3 - Prob. 12SACh. 3 - What is the function of glycocalyces and fimbriae...Ch. 3 - Prob. 14SACh. 3 - Compare and contrast three types of passive...Ch. 3 - Prob. 16SACh. 3 - Prob. 17SACh. 3 - Prob. 18SACh. 3 - Prob. 1CTCh. 3 - Methylene blue binds to DNA. What structures in a...Ch. 3 - Prob. 3CTCh. 3 - Prob. 4CTCh. 3 - A researcher carefully inserts an electrode into...Ch. 3 - Prob. 6CTCh. 3 - An electron micrograph of a newly discovered cell...Ch. 3 - An entry in a recent scientific journal reports...Ch. 3 - Prob. 9CTCh. 3 - Prob. 10CTCh. 3 - Prob. 11CTCh. 3 - Prob. 12CTCh. 3 - Prob. 13CTCh. 3 - Prob. 14CTCh. 3 - Using the following terms, fill in the following...
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- Read this article and answer the following question There are 3 different Metformin ER products available: Glucophage XR Glumetza ER Fortamet ER All 3 formulations are available generically but they are not interchangeable as they all use different release mechanisms. Glucophage XR uses a dual hydrophilic polymer system. The drug is slowly released by diffusing through a gel matrix, also known as GelShield diffusion system. Once the tablet is swallowed, the outer layer of the tablet forms a gel layer and the metformin contained within is slowly released. Due to this release mechanism, Glucophage XR can not be cut or split. Glumetza ER uses a mechanism known as gastro-retentive technology (also known as 'Modified Release'). The tablets are designed to remain in the stomach and deliver metformin to the upper GI tract over an extended period of time. Like Glucophage XR, Glumetza ER can not be cut or split. Fortamet ER uses single-composition osmotic technology (SCOT). After…arrow_forwardIdentify a correct statement about tetracyclines. Multiple Choice They have a narrow antibacterial spectrum. They are bactericidal in nature. They bind irreversibly to bacterial ribosomes to inhibit bacterial protein synthesis. Their widespread use has allowed the emergence of bacterial resistance.arrow_forwardWhat is your personal comment on the relevance of this application? Refer to the study below https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7824784/ Riboswitches as Drug Targets for Antibiotics Vipul Panchal* and Ruth Brenk*arrow_forward
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