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BRIEF OF INSULIN

INSULIN ISA HORMONE WHICH IS RELEASED FROM THE PANCREAS WHEN GLUCOSE LEVEL IN THE BODY IS HIGH .THE ALPHA CELLS SECRETE GLUCAGON,BETA CELLS INSULIN , AND THE DELTA CELLS SECRETE SOMATOSTATIN.

INSULIN IS A POLYPEPTIDE OF 2 CHAIN a-CHAIN AND b-CHAIN . IT WAS FIRST SYNTHESISED AS PREPROINSULIN.INSU​LIN ACTS IN THE PANCREATIC BETA CELLS.

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