Question

fill in the blank question
a given hormone must first bind to its receptor on a cell in order to have a physiological effect.
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Explanation:

Hormones exert their physiological effects by binding to specific receptors. These receptors are located on target cells. Target cells are the cells that a particular hormone is designed to act upon. Only when a hormone binds to its receptor on the target cell can it initiate the intracellular signaling pathways that lead to the physiological response.

Answer:

target