Half life of insulin is -: (A) 5min, (B) 1hr, (C) 12hr, (D) 24hr
Answer is A. Ans. is 'a' i.e., 5 min o The half-life of insulin in the circulation in humans is about 5 min. Insulin binds to insulin receptors, and some is internalized. It is destroyed by proteases in the endosomes formed by the endocytotic process.