What Were Fleming's Initial Observations About Organisms on a Petri

question 67

Multiple Choice

What were Fleming's initial observations about organisms on a Petri dish that led him to discover penicillin?

• A) A zone of clearing formed around bacterial colonies.
• B) Bacterial mycelium inhibited mold growth.
• C) Fungal colonies grew around bacterial colonies.
• D) Bacteria inhibited the growth of mold.
• E) A mold inhibited the growth of bacterial colonies.

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