alleryThe extra stretch removed as pro-insulin matures is the:
AD peptide
BC peptide
CA peptide
DB peptide
Answer & Solution
Correct answer: B. C peptide
1. Insulin is first made as a pro-hormone.
2. The pro-hormone carries an extra stretch.
3. That stretch, the C peptide, is cut out on maturing.
_Source: syllabus Biology, Ch 10 'Biotechnology and its Applications'_
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