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Questions and Answers
What is the primary target of fluoroquinolones in Gram (-) bacteria?
What is the primary target of fluoroquinolones in Gram (-) bacteria?
- Cytoplasmic membrane
- Topoisomerase IV
- RNA polymerase
- DNA gyrase (topoisomerase II) (correct)
Rifamycins selectively bind to which subunit of bacterial RNA polymerase?
Rifamycins selectively bind to which subunit of bacterial RNA polymerase?
- α subunit
- ß subunit (correct)
- γ subunit
- δ subunit
What is the primary mode of action of rifamycins?
What is the primary mode of action of rifamycins?
- Inhibition of protein synthesis
- Inhibition of DNA synthesis
- Inhibition of RNA transcription (correct)
- Disruption of cytoplasmic membrane
Which antibiotic is specifically used to treat infections caused by Mycobacterium tuberculosis?
Which antibiotic is specifically used to treat infections caused by Mycobacterium tuberculosis?
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What is the primary target of fluoroquinolones in Gram (+) bacteria?
What is the primary target of fluoroquinolones in Gram (+) bacteria?
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Polymyxin acts by disrupting which structure in bacterial cells?
Polymyxin acts by disrupting which structure in bacterial cells?
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What is the primary mode of action of polymyxins?
What is the primary mode of action of polymyxins?
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Which of the following antibiotics inhibits DNA synthesis?
Which of the following antibiotics inhibits DNA synthesis?
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What is the primary mode of action of fluoroquinolones?
What is the primary mode of action of fluoroquinolones?
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Daptomycin acts by which mode of action?
Daptomycin acts by which mode of action?
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