jalene58 jalene58

03-06-2022
Biology

contestada

For a long time, penicillin was given to people to kill the bacteria which caused ear infections. Lately, some ear infections are not cured by penicillin. Which is the best explanation for this?

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Lovelee22 Lovelee22

03-06-2022

Answer:

Some bacteria have mutated and are not killed by the penicillin

Explanation:

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