The bacteriologist Sir Alexander Fleming was engage in the study of staphyococcus a kind of bacteria that wa being grown in petri dishes. That's when he noticed the peniciin mold that was aso growing in some culture dishes. There was a clear area around the penicilin. Sir Alexander hypothesised that the penicillin mold could be producing a chemical that kills bacteria. o He decided to test his hypothesis by isolating the chemical and testing it to see if it would really kill bacteria. He transferred it to a solution of nutrient broth that contained the elements necessary to it's growth. Once the mold flourished, he removed it from the broth and transferred the broth to a culture of bacteria. the bacteria died as a result. This discovery was used to develop several kinds of antibiotics that treated several deadly diseases. what is the problem here? what is the hypothesis?

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Esther Lloyd

3 December, 00:20

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Joseph Kelly · Answer 1

The problem is that mold was growing in some of the dishes. The hypothesis is that the mold can cure bacteria.