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Penicillin Was Discovered by ____________ and Was Isolated by ________

Question 20

Multiple Choice

Penicillin was discovered by ____________ and was isolated by ________ .


A) Gerhard Domagk; Alexander Fleming
B) Selman Walksman; Ernest Fourneau and Paul Ehrlich
C) Ernst Chain and Howard Florey; Paul Ehrlich
D) Alexander Fleming; Ernst Chain and Howard Florey

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