Which of the following organisms is used in the production of human insulin by genetic engineering?
A
Escherichia coli
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B
Agrobacterium tumefaciens
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C
Bacillus thuringiensis
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D
Saccharomyces cerevisiae
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Solution
The correct option is A Escherichia coli Genetically engineered insulin or humulin can be produced by inserting the human gene of insulin into a plasmid isolated from E. coli bacterium and then production of a number of copies or clones of that recombinant gene by insertion of the recombinant gene into another E. coli bacterium.