alleryHuman insulin was first produced by recombinant means in:
A1997
B1990
C1983
D1963
Answer & Solution
Correct answer: C. 1983
1. An American company made the two chains separately.
2. It then joined them by creating disulphide bonds.
3. This was done in 1983.
_Source: syllabus Biology, Ch 10 'Biotechnology and its Applications'_
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