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Action mechanism of the antibiotic penicillin

State the action mechanism of the antibiotic penicillin?

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Penicillin, introduced by the Scottish doctor Alexander Fleming, in the year 1928, is a drug which inhibits enzymes essential for the synthesis of peptidoglycans, an element of the bacterial cell wall. With the inhibition, the bacterial population ends to grow since there is no latest cell wall formation.

Fleming won the Nobel Prize in medicine for the invention of penicillin.

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