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  • 22-02-2017
  • Biology
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Why don't antibiotics kill humans as well as bacteria??

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Аноним Аноним
  • 22-02-2017
Antibiotics work by affecting things that bacterial cells have but human cells don't. ... The antibiotic penicillin works by keeping a bacterium from building a cell wall. Bacteria and human cells also differ in the structure of their cell membranes and the machinery they use to build proteins or copy DNA.
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