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Penicillin's full potential as an antibiotic was established by Ernest Chain and:

AHoward Florey
BLouis Pasteur
CRobert Koch
DJoseph Lister
Answer & Solution
Correct answer: A. Howard Florey
1. It treated wounded American soldiers in World War II. 2. Chain and Florey did the work. 3. All three shared the Nobel Prize. _Source: syllabus Biology, Chapter 10, Microbes in Human Welfare._
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