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Human insulin is being commercially produced from a transgenic species of

1. Escherichia
2. Mycobacterium
3. Rhizobium
4. Saccharomyces

Correct answer: Escherichia

Solution

Human insulin was first commercially produced using recombinant DNA technology in a transgenic strain of Escherichia coli. This bacterium is widely used because it grows quickly and is easy to genetically modify.

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