Question

Ernest chain and Howard Florey's contribution was

• A. Discovery of Streptokinase
• B. Discovery of DNA sequence
• C. Establishing the potential of penicillin as an effective antibiotic
• D. Production of genetically engineered insulin

Answer 1

Answer: (C)

Establishing the potential of penicillin as an effective antibiotic

Howard Walter Florey (1898–1968) and Ernst Boris Chain (1906–1979) were the scientists who followed up most successfully on Alexander Fleming's discovery of penicillin, and shared the 1945 Nobel Prize in Physiology.

Thus, the correct answer is option (C).