Question

Penicillin. The world's first antibiotic! The discovery of penicillin's antibiotic powers is attributed to Alexander Fleming. According to the story, Fleming returned to his laboratory one day in September 1928 to find a Petri dish containing Staphylococcus bacteria with its lid removed. The dish had become contaminated by something. He noted that there was a clear ring showing that the bacteria had been stopped from growing. Fleming analyzed the contaminant that had killed the bacteria; it was a __________ called Penicilluium notatum.
Responses
A bacteriabacteria
B moldmold
C protistprotist
D virus

Answer 1

B moldmold