<prompt> Half-life of insulin receptor is3 hr7 hr12 hr24 hr  <response>: The insulin receptor IR is a transmembrane receptor that is activated by insulin, IGF-I, IGF-II and belongs to the large class of tyrosine kinase receptors. Metabolically, the insulin receptor plays a key role in the regulation of glucose homeostasis, a functional process that under degenerate conditions may result in a range of clinical manifestations including diabetes and cancer. The half-life of insulin receptor is about 7 hrs.Ref: Ganong;s review of medical physiology;24th edition; page no-437 