Question

Alexander Fleming discovered a type of

that kills bacteria, which led to the development of Penicillin.

Answer 1

Alexander Fleming discovered a type of mold that kills bacteria, which led to the development of Penicillin.

Step-by-step explanation:

Answer 2

mold

Step-by-step explanation:

Alexander Fleming was a Scottish physician and scientist. He was known for the development of penicillin.

Alexander Fleming discovered a type of mold that kills bacteria, which led to the development of Penicillin.

The mold created around itself a bacteria-free circle.

Fleming experimented further and named the active substance penicillin.