Nester's Microbiology: A Human Perspective
9th Edition
ISBN: 9781259709999
Author: Denise G. Anderson Lecturer, Sarah Salm, Deborah Allen
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 3, Problem 9MC
The antibiotic erythromycin prevents protein synthesis in bacterial cells. Based on this information, which of the following might be targeted by the drug?
1)80S ribosomes
2)70S ribosomes
3)60S ribosomal subunit
4)50S ribosomal subunit
5)40S ribosomal subunit
a) 1, 3
b) 1, 4
c) 2, 3
d) 2, 4
e) 2, 5
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Chapter 3 Solutions
Nester's Microbiology: A Human Perspective
Ch. 3 - Prob. 1SACh. 3 - Describe the difference between a simple stain and...Ch. 3 - Describe what happens at each step in the Gram...Ch. 3 - Compare and contrast ABC transport systems with...Ch. 3 - Diagram the structure of peptidoglycan.Ch. 3 - Give two reasons why the outer membrane of...Ch. 3 - Describe how a plasmid can help a cell.Ch. 3 -
8. How is receptor-mediated endocytosis different...Ch. 3 - What is the endosymbiotic theory?Ch. 3 - Explain how the Golgi apparatus cooperatively...
Ch. 3 - Which of the following is most likely to be used...Ch. 3 - When a medical technologist wants to determine if...Ch. 3 - Vibrio cholerae causes the disease cholera. Based...Ch. 3 -
4. Endotoxin is associated with
a) Gram-positive...Ch. 3 - The "O157" in the name E. coli O157:H7 refers to...Ch. 3 - Eliminating which structure is always deadly to...Ch. 3 - If you interfered with the ability of a Bacillus...Ch. 3 - If a virus mimics a ligand that normally...Ch. 3 -
9. The antibiotic erythromycin prevents protein...Ch. 3 -
10. If a eukaryotic cell were treated with a...Ch. 3 -
1. You are working in a laboratory producing new...Ch. 3 -
2. A research laboratory is investigating...Ch. 3 -
This graph shows facilitated diffusion of a...Ch. 3 - Most medically useful antibiotics interfere with...
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- What is the size of E. coli bacteria? What cellular organelle(s) are of a similar size to E.coli? Are viruses larger or smaller than bacteria (based on E. coli size)?arrow_forwardFor a bacterial exotoxin with a typical A-B type toxin structure, removal of the A portion of the toxin would result in which of the following? The B portion remaining would still be able to bind to the target cell, but would not have toxic effects The remaining B portion would enter the cell and carry out its toxic activity, such as ADP-ribosylation The remaining B portion would cause inhibition of protein synthesis Nothing would happen because the A portion is responsible for binding to the target cell. The remaining B portion would still induce cell lysis Please answer asap and in short and content should not be palgarised pleasearrow_forwardName the process by which white blood cells engulf bacteria.arrow_forward
- Why are proteins important for cells? A - They are the main source for energy inside cells. B - They control all cell structure and function. C - They only break down materials in the lysosome. D - They only create new ribosomes.arrow_forwardWhen a test tube of bacteria is treated with penicillin and left for two days, the bacteria were found to still be growing and the a changed form of penicillin is found inside of the bacterial cells. What mechanism of antibiotic resistance is likely to have occurred?arrow_forwardWhat step is necessary prior to inserting a new peptidoglycan subunit into a growing cell wall?arrow_forward
- Which of the following statements about ribosomes is always true? all prokaryotic ribosomes are composed of both 40s and 60s ribosomal subunits all eukaryotic ribosomes are composed of both 30s and 50s ribosomal subunits all prokaryotic ribosomes are composed of both 30s and 50s ribosomal subunits all eukaryotic ribosomes are composed of both 40s and 60s ribosomal subunits all of the above statements are always truearrow_forwardIn order to transform a bacteria, the cell wall should be perforated either through physical or chemical means. true or false?arrow_forwardWhere are ribosomes produced?arrow_forward
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USMLE-Rx Antimicrobial Therapy; Author: USMLE-Rx;https://www.youtube.com/watch?v=Pka1Ynlrqtw;License: Standard Youtube License