Q. Who discovered insulin?
Solution:
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Insulin was discovered by Sir Frederick G Banting , Charles H Best and JJR Macleod at the University of Toronto in 1921 and it was subsequently purified by James B Collip.
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Insulin is a peptide hormone produced by beta cells of the pancreatic islets; it is considered to be the main anabolic hormone of the body.
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It regulates the metabolism of carbohydrates, fats and protein by promoting the absorption of glucose from the blood into liver, fat and skeletal muscle cells.
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Insulin was the first peptide hormone discovered.
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