Question

Alexander Fleming was studying bacteria when some of his plates became contaminated by a mold, which then killed the bacteria on the plates. Fleming further investigated the mold that killed the bacteria, and his research contributed to the growing body of scientific knowledge. Fleming's research led to –

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the developement of new vaccines to prevent bacterial infections

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the ability to eliminate all diseases caused by bacteria

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advances in medicines used to treat some bacterial diseases

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a revision of experimental procedures for working with bacteria

Answer 1

Fleming's research led to **advances in medicines used to treat some bacterial diseases**.