why is penicillin a product of a mould not of an bacteria ?
give reason of scientific term by Alexander Fleming ?
Answers
Answer:
Probably you've heard that moldy bread can be useful, because it contains penicillin. In fact, this is not true! Fungus that grow on bread have some antibacterial effect, but it is not penicillin. ... Penicillin is made only of certain types of fungi (Penicillium fungi).
In 1928, Fleming discovered penicillin, the first form of antibiotics. He grew cultures of bacteria on petri dishes in the hospital where he worked. A fungal spore happened to contaminate one of the bacteria cultures and grew into a fungal colony. The bacteria round the fungal colony failed to grow as well as the bacteria on the other areas of the petri dish. From this, Fleming deduced that a substance produced by the fungus must be slowing down the bacteria’s growth. He called this substance penicillin after the fungus on the petri dish, Penicillium notatum.
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