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# Epinephrine binding by receptors on cardiac myocytes increases rates of contraction; when it binds to muscle cells of the small intestine; it inhibits contraction W...

## Question

###### Epinephrine binding by receptors on cardiac myocytes increases rates of contraction; when it binds to muscle cells of the small intestine; it inhibits contraction What explains these different effects?Cardiac muscles are stronger than intestinal muscles; resulting in stronger response_Epinephrine reaches the heart in higher concentrations than the intestines_Epinephrine binds G-protein coupled receptors on cardiac myocytes, and receptor- tyrosine kinases on intestinab cells:Cardiac myocytes have

Epinephrine binding by receptors on cardiac myocytes increases rates of contraction; when it binds to muscle cells of the small intestine; it inhibits contraction What explains these different effects? Cardiac muscles are stronger than intestinal muscles; resulting in stronger response_ Epinephrine reaches the heart in higher concentrations than the intestines_ Epinephrine binds G-protein coupled receptors on cardiac myocytes, and receptor- tyrosine kinases on intestinab cells: Cardiac myocytes have more receptors on their surfaces than do intestinal cells Epinephrine binds the same kind of receptors in both cell types; but there are different signal pathways in the cells.

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