Microbiology: An Introduction
11th Edition
ISBN: 9780321733603
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: Benjamin Cummings
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Textbook Question
Chapter 20, Problem 7R
How does each of the following inhibit translation?
- a. chloroamphenicol
- b. erythromycin
- c. tetracvcline
- d. streptomycin
- e. oxazolidinone
- f. streptogramin
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A methyltransferase enzyme capable of methylating ribosomes and changing their
structure might protect against (choose all that apply)
A. chloramphenicol B. penicillin C. polymyxin B D. bacitracin E. tetracycline
Construct the following:1. Adenosine2. Deoxyguanosine3. Thymidine4. Deoxycytidine5. 3’ TMP
Each of the following statements concerning penicillin is correct EXCEPT:
a. Penicillin is a bacteriostatic drug because autolytic enzymes are not activated.
b. Penicillin inhibits transpeptidases, which are required for cross-linking peptidoglycan.
C. The structure of penicillin resembles that of a dipeptide of alanine, which is a component of peptidoglycan.
D. An intact β-lactam ring of penicillin is required for its activity.
Chapter 20 Solutions
Microbiology: An Introduction
Ch. 20 - DRAW IT Show where the following antibiotics work:...Ch. 20 - List and explain five criteria used to identify an...Ch. 20 - What similar problems are encountered with...Ch. 20 - Define drug resistance. How is it produced? What...Ch. 20 - List the advantages of using two chemotherapeutic...Ch. 20 - Why does a cell die from the following...Ch. 20 - How does each of the following inhibit...Ch. 20 - The OH is missing from carbon 39 in ddI. How does...Ch. 20 - Compare the method of action of the following...Ch. 20 - NAME IT This microorganism is not susceptible to...
Ch. 20 - Which of the following pairs is mismatched? a....Ch. 20 - Prob. 2MCQCh. 20 - Prob. 3MCQCh. 20 - An antimicrobial agent should meet all of the...Ch. 20 - The most selective antimicrobial activity would be...Ch. 20 - Prob. 6MCQCh. 20 - Which of the following will not affect eukaryotic...Ch. 20 - Cell membrane damage causes death because a. the...Ch. 20 - A drug that intercalates into DNA has the...Ch. 20 - Chloramphenicol binds to the 50S portion of a...Ch. 20 - Prob. 1ACh. 20 - Why is idoxuridine effective if host cells also...Ch. 20 - Some bacteria become resistant to tetracycline...Ch. 20 - The following data were obtained from a...Ch. 20 - Prob. 5ACh. 20 - The following results were obtained from a broth...Ch. 20 - Vancomycin-resistant Enterococcus faecalis was...Ch. 20 - Prob. 2CAECh. 20 - Prob. 3CAE
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