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  • For which of these achievements did Sir Alexander Flemming win the Nobel Prize in Physiology or Medicine in 1945?
Question 1:
For which of these achievements did Sir Alexander Flemming win the Nobel Prize in Physiology or Medicine in 1945?
A. the discovery of penicillin
B. the discovery of the enzyme lysozyme
C. the introduction of the smallpox vaccine
D. developing a process which slows microbial growth in foods

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