what are antibiotics? how does the antibiotic penicillin act on bacteria? why do antibiotics not work against virus?
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antibiotic are microorganisms that are used to kill . bacteria
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It interferes with the synthesis ofpeptidoglycan. This weakens the cell walls of dividing bacteria, so they burst and die because of osmotic pressure. Finally, we learned that penicillin is a narrow-spectrum antibiotic and is more effective against Gram-positive bacteria.
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