bearminar7280 bearminar7280
  • 23-05-2018
  • Health
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Penicillin was considered a miracle drug for all of the following reasons

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joannabill2006p6oefm joannabill2006p6oefm
  • 27-05-2018
It has selective toxicity.
it kills bacteria 
It does not affect eukaryotic cells
It inhibits gram positive cell wall synthesis
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