Why does epinephrine bind its receptor in a different location than cortisol binds its receptor? A.The receptor binding site of epinephrine must be extracellular because the cell’s membrane is a barrier that prevents epinephrine from reaching any intracellular binding sites. B.The membrane blocks cortisol from entering the cell, therefore cortisol must bind the receptor on the cell’s extracellular surface. C.Cortisol easily passes through the cell’s plasma membrane. Therefore, the cortisol receptor is found intracellularly. D.Epinephrine can dissolve across the plasma membrane and bind its intracellular receptor. E.Both A&C F.Both B&D

Adrenocortical and adrenomedullary hormones. The adrenal medulla produce hormones called…

Answered: Why does epinephrine bind its receptor…

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter4: Principles Of Neural And Hormonal Communication

Section: Chapter Questions

Problem 18RE

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Why does epinephrine bind its receptor in a different location than cortisol binds its receptor?

	A.	The receptor binding site of epinephrine must be extracellular because the cell’s membrane is a barrier that prevents epinephrine from reaching any intracellular binding sites.
	B.	The membrane blocks cortisol from entering the cell, therefore cortisol must bind the receptor on the cell’s extracellular surface.
	C.	Cortisol easily passes through the cell’s plasma membrane. Therefore, the cortisol receptor is found intracellularly.
	D.	Epinephrine can dissolve across the plasma membrane and bind its intracellular receptor.
	E.	Both A&C
	F.	Both B&D

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