alleryPenicillin's full potential was established by Howard Florey and:
AJoseph Lister
BErnest Chain
CLouis Pasteur
DRobert Koch
Answer & Solution
Correct answer: B. Ernest Chain
1. Fleming saw the effect but did not develop it.
2. Two others took the work forward much later.
3. They were Ernest Chain and Howard Florey.
_Source: syllabus Biology, Chapter 10, Microbes in Human Welfare._
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