Question:
Which of the following genetically engineered organisms was used by Eli Lilly to prepare human insulin?
Which of the following genetically engineered organisms was used by Eli Lilly to prepare human insulin?
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Recombinant DNA technology, which involves inserting a gene into a host organism like bacteria, is a common method for producing important proteins like insulin.
Updated On: Jan 13, 2026
- Yeast
- Virus
- Phage
- Bacterium
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The Correct Option is D
Solution and Explanation
Eli Lilly used genetically engineered bacteria, specifically \textit{Escherichia coli}, to produce human insulin. This method of recombinant DNA technology involves inserting the human insulin gene into a bacterial plasmid, enabling the bacteria to produce the hormone. This was one of the first major applications of genetic engineering in medicine.
Thus, the correct answer is Bacterium.
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