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Solution


Q.

Which of the following genetically engineered organisms was used by Eli Lilly to prepare human insulin            [2025]
1 Bacterium  
2 Yeast  
3 Virus  
4 Phage  

Ans.

(1)

The correct answer is bacterium.

In 1983, Eli Lilly, an American company, prepared two DNA sequences corresponding to ‘A’ and ‘B’ chains of human insulin and introduced them in plasmids of E.coli (a gram negative bacterium) to produce insulin chains.