Which of the following classes of antimicrobial drugs inhibit nucleic acid synthesis? Select ALL correct answers...
Which of the following classes of antimicrobial drugs inhibit nucleic acid synthesis?
Select ALL correct answers -- there is more than one!
| Rifamycins |
| Pyrazinamides |
| Oxazolidinones |
| Fluoroquinolones |
| Nitroimidazoles |
| Sulfonamides |
Homework Answers
Antibiotics that inhibit nucleic acid synthesis: rifamycins and quinolones.
Rifamycins
The rifamycins are a family of antibiotics that inhibit bacterial RNA polymerase. Rifamycins work by binding to the bacterial DNA-dependent RNA polymerase, the enzyme that is responsible for transcription of DNA into RNA.
The best-known and most effective member of the rifamycin family is rifampin, which is also known as rifampicin. A major use of rifampin is in the treatment of mycobacterial diseases, such as tuberculosis and leprosy.
Quinolones and Fluoroquinolones
The second major class of antibiotics that inhibit nucleic acid synthesis is the quinolones and their derivatives, the fluoroquinolones. These are synthetic antibiotics that were first developed in the 1960s. Drugs in this family, such as nalidixic acid, ciprofloxacin, and norfloxacin, work by inhibiting enzymes that are required for bacterial DNA synthesis
Add Answer to:
Which of the following classes of antimicrobial drugs inhibit
nucleic acid synthesis?
Select ALL correct answers...
Which of the following classes of antimicrobial drugs inhibits protein synthesis? Select ALL correct answers --...
Which of the following classes of antimicrobial drugs inhibits protein synthesis? Select ALL correct answers -- there is more than one! Aminoglycosides Oxazolidinones Nitroimidazoles Chloramphenicol Pyrazinamides Fluoroquinolones
Which of the following are primary mechanisms through which microorganisms evade antimicrobial drugs? To be marked...
Which of the following are primary mechanisms through which microorganisms evade antimicrobial drugs? To be marked correct, you'll need to select all applicable statements, as there may be more than one correct answer. Drug target alterations Reducing drug concentration inside of the cell Drug inactivation Decreasing intracellular drug solubility
Which of the following agricultural practices may promote antimicrobial drug resistance? To be marked correct, you'll...
Which of the following agricultural practices may promote antimicrobial drug resistance? To be marked correct, you'll need to select all applicable statements, as there may be more than one correct answer. View Available Hint(s) Which of the following agricultural practices may promote antimicrobial drug resistance? To be marked correct, you'll need to select all applicable statements, as there may be more than one correct answer. Use of manure-based fertilizers Genetic engineering of cows to produce human hormones and other drugs...
Use the following to answer the questions below: For each of the nucleic acid situations, select...
Use the following to answer the questions below: For each of the nucleic acid situations, select the process with which it is associated using the response list. Responses may be used more than once or need not be used at all. a) translation phase of protein synthesis b) transcription phase of protein synthesis c) replication of DNA d) post-transcription phase of protein synthesis Okazaki fragments are formed.
When the term parenteral is used in regards to drug administration, this applies to drugs administered...
When the term parenteral is used in regards to drug administration, this applies to drugs administered _____ (choose all that apply). Select one or more: a. intravenously b. orally c. intramuscularly d. topically Protein synthesis occurs in all living cells. Why, then, are some antimicrobial drugs that target protein synthesis selectively toxic to bacteria? Select one: a. The protein synthesis in human cells occurs less frequently than that in bacterial cells. b. The ribosomes found in human cells and those...
Which of the following correctly compares fatty acid synthesis and fatty acid oxidation? Select ALL correct...
Which of the following correctly compares fatty acid synthesis and fatty acid oxidation? Select ALL correct statements. Fatty acid synthesis requires reduced electron carriers while fatty acid oxidation requires oxidized electron carriers. Fatty acid synthesis and fatty acid oxidation both include a repeating cycle of reactions at some point during the process. Transport proteins in the mitochondrial membrane are required for fatty acid synthesis but not for fatty acid oxidation. Without metabolic coupling, fatty acid synthesis is an endergonic process...
Which functional group(s) are represented in the structure shown? HO HN Select all classes of compounds...
Which functional group(s) are represented in the structure shown? HO HN Select all classes of compounds that apply. There is more than one, but fewer than six correct answers. O A. aldehyde O B. nitrile C. amide O D. alcohol O E. ether O Falkene
Please answer all... Thank you! Options: block specific metabolic reactions (competitive analogs), deterioration of a cell...
Please answer all... Thank you!
Options: block specific metabolic reactions (competitive
analogs), deterioration of a cell membrane (perhaps concomitant
with some cell wall damage), inhibit cell synthesis, inhibits DNA
synthesis, interfere with protein synthesis
(11 pts) 104) Identify the modes of action with the general antibiotic/chemotherapeutic categories. Only one answer is correct per agent Aminoglycosides Select One Antifungal Select One antibiotics Cephalosporins Select One Chloramphenicol Select One Erythromycin Select One Isonicotinic acid Select One hydrazide (Isoniazide) Nalidixic acid Select One...
Select all correct options in the list below about concrete and abstract classes Select one or...
Select all correct options in the list below about concrete and abstract classes Select one or more: a. Concrete classes can be instantiated b. Abstract classes must contain at least one abstract method c. Only concrete classes can be super classes d. Abstract classes (using the "abc" library) can be instantiated e. Concrete classes often contain abstract methods f. Both concrete and abstract classes can be super classes that other classes inherit from g. Only abstract classes can be super...
Please select all correct answers Which of the following contributes to the tremendous diversity of antigenic...
Please select all correct answers
Which of the following contributes to the tremendous diversity of antigenic peptides that can be presented on MHC molecules within a single individual? Select all correct. The person is likely heterozygous for multiple MHC genes The person has multiple MHC genes The person expresses all of the MHC alleles of all of the MHC genes that they have The person likely has more than two alleles for each MHC gene
Use the following to answer the questions below: For each of the nucleic acid situations, select the process with which it is associated using the response list. Responses may be used more than once or need not be used at all. a) translation phase of protein synthesis b) transcription phase of protein synthesis c) replication of DNA d) post-transcription phase of protein synthesis Okazaki fragments are formed.
Which functional group(s) are represented in the structure shown? HO HN Select all classes of compounds that apply. There is more than one, but fewer than six correct answers. O A. aldehyde O B. nitrile C. amide O D. alcohol O E. ether O Falkene
Please answer all... Thank you!
Options: block specific metabolic reactions (competitive
analogs), deterioration of a cell membrane (perhaps concomitant
with some cell wall damage), inhibit cell synthesis, inhibits DNA
synthesis, interfere with protein synthesis
(11 pts) 104) Identify the modes of action with the general antibiotic/chemotherapeutic categories. Only one answer is correct per agent Aminoglycosides Select One Antifungal Select One antibiotics Cephalosporins Select One Chloramphenicol Select One Erythromycin Select One Isonicotinic acid Select One hydrazide (Isoniazide) Nalidixic acid Select One...
Select all correct options in the list below about concrete and abstract classes Select one or more: a. Concrete classes can be instantiated b. Abstract classes must contain at least one abstract method c. Only concrete classes can be super classes d. Abstract classes (using the "abc" library) can be instantiated e. Concrete classes often contain abstract methods f. Both concrete and abstract classes can be super classes that other classes inherit from g. Only abstract classes can be super...
Please select all correct answers
Which of the following contributes to the tremendous diversity of antigenic peptides that can be presented on MHC molecules within a single individual? Select all correct. The person is likely heterozygous for multiple MHC genes The person has multiple MHC genes The person expresses all of the MHC alleles of all of the MHC genes that they have The person likely has more than two alleles for each MHC gene
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