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What bacteria-killing substance did Alexander Fleming accidentally discover that becamse an important life-saving medicine?
penicillin
Who was first to discover penicillen?
Scottish bacteriologist Alexander Fleming is credited with the discovery of penicillin in 1928. He observed that a mold called Penicillium notatum produced a substance that killed bacteria, leading to the development of the first antibiotic.
What antibiotic did sir Alexandra Fleming discover?
what antibiotic did Alexander Fleming discover
Who is discover piniciline?
Alexander Fleming
How did Alexander Fleming use each of the steps of the scientific method to discover pennacilin?
Observation: Fleming noticed that a mold was killing bacteria in a petri dish left open near a window. Hypothesis: He hypothesized that the mold was releasing a substance that was inhibiting bacterial growth. Experimentation: Fleming conducted experiments to isolate and identify the substance produced by the mold. Conclusion: He found that the substance, penicillin, effectively killed bacteria, leading to the discovery of the first antibiotic.
Who discover the penicillium notatum?
Alexander Fleming.
When did Alexander Fleming discover microscopes?
1595
What was Alexander Fleming's hypothesis concerning the relationship between a yellow and green mold and certain strains of bacteria?
he thought the mold had released a chimical that prevented the bacterias growth.
Who was the first person to discover penicillin?
Penicillin Discovered (1928): In 1928, bacteriologist Alexander Fleming found a mold had contaminated one of his experiments. To his surprise, the mold was an antibacterial agent that could kill many harmful bacteria. He named the active agent, penicillin.
Who noticed that there were no germs around some mold?
I think you might be referring to Alexander Fleming. " Fleming concluded that the mould was releasing a substance that was repressing the growth and lysing the bacteria"
What was Fleming's hypothesis?
Fleming's hypothesis was that the Penicillium produce a chemical that can kill ... Alexander Fleming was a scientist, born near Darvel in Ayrshire, Scotland.
Which drug did Alexander Fleming discover?
He discovered penicillin.
