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WVSOM -- Immuno/Micro -- Antibiotic List

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Question
Answer
D-cycloserine   Cell wall synthesis; blocks addition of dipeptide to UDP-NAM - second step so no PEP attaches  
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Bacitracin   cell wall synthesis; blocks dephosphoralizatoin of bactoprenol phosphate- middle step transports ppg monomers across cell membrane  
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PCN   cell wall synthesis; beta-lactamases; last step of binding to transpeptidase to reform the peptide cross links  
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Cephalosporin   cell wall synthesis; beta-lactamases; last step of binding to transpeptidase to reform the peptide cross links  
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cephamycin   cell wall synthesis  
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fosfomycin   inhibits cell wall synthesis; inhibits phosphoenopyruvate transferase adn prevents formation of NAM -- first step does not occur  
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metronidazole   disrupts DNA helical structure under anaerobic conditions  
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Quinolones, flouroquinolones   inhibits DNA gyrase or topoisomerase  
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rifampin   binds to RNA polymerase  
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polymyxins   interact with phospholipids  
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macrolides, erythromycin, choramphenicol   50S inhibitors; translation-protein synthesis  
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tetracyclines, aminoglycosides, streptomycin   30S inhibitors; translation-protein synthesis  
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Linezolid   initiating complex blocked;  
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sulfonamides   folate antagonist; blocks synthesis of dihydropteroic acid  
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trimethoprim   folate antagonist; blocks synthesiss of tetrahydrofolate  
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Created by: tjamrose
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