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Penicillum Mold |
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| Penicillin is an important antibiotic derived from the mold Penicillum notatum, pictured here. Penicillin is effective against a wide range of disease-causing bacteria. It acts by killing bacteria directly or by inhibiting their growth. | ||||||
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| Andrew McClenaghan/Science Source/Photo Researchers, Inc. | ||||||
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| Appears in these articles: | ||||||
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| Human Disease; Fungus; Penicillin | ||||||
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