Why does penicillin kill bacteria but not human cells?
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As it is a fungus and have resistant to only bacterial cell
affuzain1903:
Thanx for ur appreciation
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Human cells do not make or need peptidoglycan. Penicillin, one of the first antibiotics to be used widely, prevents the final cross-linking step, or transpeptidation, in assembly of this macromolecule. The result is a very fragile cell wall that bursts, killing the bacterium.
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