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Question

How was penicillin discovered by Alexander Fleming?


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Solution

Penicillin's discovery:

  1. Penicillin was the first antibiotic discovered by Alexander Fleming.
  2. It was obtained accidentally while working with Staphylococcus.
  3. He left the plate and saw fungal and bacteria growth after some days.
  4. As the fungus(mould) invaded the plate, Staphylococcus couldn't grow.
  5. He extracted the antibiotic substance from the developed mould in the petri dish and named it as penicillin.

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