23 Questions
What are antibiotics?
Chemical substances that kill or inhibit the growth of microorganisms produced by other microorganisms
Which of the following is NOT a producer of antibiotics?
Virus
Which of the following microorganisms is not a producer of antibiotics?
Virus
What is the mode of action of antibiotics?
Inhibition of cell wall synthesis, protein synthesis, cell membrane, DNA/RNA synthesis
Which antibiotic inhibits cell wall synthesis by binding to the last D-alanine?
Vancomycin
Which antibiotic inhibits cell wall synthesis through transpeptidation?
Penicillin
Which antibiotic prevents peptide bond formation and is effective against obligate anaerobic bacteria?
Clindomycin
Which antibiotic prevents initiation of protein synthesis?
Streptomycin
Which antibiotic binds to the last D-alanine, stops removal by blocking enzymes?
Vancomycin
Which antibiotic prevents translocation?
Erythromycin
Which antibiotic binds to DNA and prevents replication and transcription?
Actinomycin
Which antibiotic distorts the phospholipid bilayer by altering the semi-permeability?
Polymyxin
Which antibiotic inhibits peptide bond formation and causes dissociation of polysome?
Lincomycin
Which antibiotic distorts the phospholipid bilayer by altering the semi-permeability?
Polymyxin
Which antibiotic causes anemia as a side effect?
Tetracycline
Which antibiotic binds with sterols in the cell membranes, especially for mycoplasmas?
Nystatin
Which antibiotic causes decolorization of teeth as a side effect?
Chloramphenicol
Which antibiotic binds to DNA, prevents replication and transcription?
Actinomycin
Which antibiotic causes hearing problems as a side effect?
Streptomycin
Which antibiotic inhibits peptide bond formation and causes dissociation of polysome?
Lincomycin
Which antibiotic prevents DNA gyrase from uncoiling DNA?
Nalidixic acid
Which antibiotic prevents tRNA, amino acids, and ribosomal binding?
Tetracycline
Which antibiotic inhibits RNA polymerase, therefore inhibits DNA replication and transcription?
Rifampicin
Study Notes
Test your knowledge on antimicrobial agents used in therapy with this quiz! Learn about the different producers of antibiotics and their modes of action, including their ability to inhibit cell wall synthesis and protein synthesis. Perfect for anyone studying microbiology or interested in the medical field.
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