the effect of epinephrine binding to B-receptors is well known. epinephrine also binds to alpha-receptors. which of the following would NOT result following the binding of epinephrine to alpha-receptors in the liver?
a. increased activation of G-protein
b. increased activation of protein kinase A
c. increased release of calcium from the endoplasmic reticulum
d. increased production of inositol triphosphate
e. increased binding of calcium to calmodulin