Which statement is true about Alexander Fleming's initial understanding of penicillin?
A: He hoped that penicillin would cure certain diseases.
B: He was unaware that penicillin would have any effect.
C: He was sure penicillin would be a helpful medicine
D: He knew penicillin was deadly to some bacteria
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Which statement is true about Alexander Fleming's initial understanding of penicillin?
A: He hoped...
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