Answer: certain type of fungi
Explanation:
Antibiotic used to cure bacterial infections that is obtained from fungi of the Penicillium genus .
Scientist Fleming discovered by accident that there was a fungus capable of killing some bacteria. In this way, he had some culture plates (small plates of glass or plastic in which the microorganisms can grow) that remainded forgotten and contaminated with mold, and around the growth zones of the fungus, he could see that there were no bacteria. Intrigued, he began to study that phenomenon.
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