Antibiotics — Prelims Questions

Which of the following antibiotics primarily inhibits bacterial cell wall synthesis?

Which of the following statements about broad-spectrum antibiotics is correct?

The discovery of penicillin is attributed to:

Which of the following is NOT a common mechanism by which bacteria develop resistance to antibiotics?

Which class of antibiotics inhibits bacterial protein synthesis by binding to the 50S ribosomal subunit?

Which of the following statements best describes the principle of 'selective toxicity' in antibiotics?