How do hormones establish selectivity?
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Expert Chegg Question Answer:
Hormones are ligands which bind to the cells and carry a particular receptor. The ligand binds its receiver to form a purpose-acquiring complex. The ligand triggers a receptor change that activates a potential biological function. The signal is never received by cells that do not show the receptor.
The ligand causes a receptor shift that induces a possible biological response. Cells of the body that do not have such receptors or transmit the receptors never receive the signal.