Hormonal control by insulin, Biology

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Insulin  is  released  into  the  bloodstream by  the  β  cells  of  the  pancreas  when blood glucose stages are high after feeding and stimulates glycogen synthesis to kept excess glucose as glycogen. This organize is also achieved by phosphorylation events. Insulin connecting to its receptor in the plasma membrane and activates it. This receptor has tyrosine kinase movement example for it will phosphorylate selected tyrosine residues on target proteins. Its starts lead to the activation of an insulin-responsive protein kinase in which then phosphorylates protein phosphatase   I, thus activating   it.  This  enzyme   now  makes sure  that  glycogen synthase is dephosphorylated and thus active and which phosphorylase  kinase is  also  dephosphorylated (and  therefore  inactive).  The net effect is to stimulate glycogen synthesis.

 


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