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Amoxicillin is a semisynthetic derivative of which antibiotic?

1. Penicillin
2. Streptomycin
3. Tetracycline
4. Chloramphenicol

Correct answer: Penicillin

Solution

Amoxicillin is a beta-lactam antibiotic produced by chemically modifying the penicillin nucleus (6-aminopenicillanic acid), so it is a semisynthetic derivative of penicillin.

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