Human insulin is being commercially produced from a transgenic species of
(1) Saccharomyces
(2) Escherichia
(3) Mycobacterium
(4) Rhizobium
Sol. Answer (2)
Eli Lilly was the first American Company to launch genetically engineered insulin called
as humulin. They prepared two DNA sequences by reverse transcription of their m-RNA
and linked them separately with the modified plasmid of Escherichia coli.