1.

Which of the following companies started selling humulin in the year 1983 ?A. Eli LillyB. GenetechC. GEACD. none of these

Answer» Correct Answer - A
In 1983, Eli Lilly an American company, first prepared two DNA sequences corresponding to A and B chains of human insulin and introduced them in plasmids of Escherichia coli to produce insulin chains. Chains A and B were produced separately, extracted and combined by creating disulphide bonds to form human insulin (humulin)


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