Penicillin interferes with the production of peptidoglycan. Which type of bacterial infection would be effectively treated by penicillin?
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Step 1: Penicillin interferes with the production of peptidoglycan in bacteria. Show more…
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since gram-negative bacteria are generally more resistant to antibiotics such as penicillin, Gram staining can be used to inform appropriate antibiotic treatment for patients with bacterial infections. Based on the information in the key (Dichotomous key), infections caused by bacteria belonging to which genera would be the most effectively treated with penicillin?
Madhur L.
Because penicillin prevents peptidoglycan synthesis, it is more effective on: a. Gram-positive bacteria b. All of the choices are correct c. Acid-fast bacteria d. Gram-negative bacteria
Joanna Q.
Some bacteria are resistant to the antibiotic penicillin because they produce penicillinase, an enzyme with a molecular weight of $3 \times 10^{4} {g} / {mol}$ that converts penicillin into inactive molecules. Although the kinetics of enzyme-catalyzed reactions can be complex, at low concentrations this reaction can be described by a rate equation that is first order in the catalyst (penicillinase) and that also involves the concentration of penicillin. From the following data: 1.0 L of a solution containing 0.15 µg $(0.15 \times 10^{-6} {g})$ of penicillinase, determine the order of the reaction with respect to penicillin and the value of the rate constant.
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