Epinephrine is a protein hormone found in many animals. epinephrine stimulates a signaling pathway that results in the breakdown of glycogen to glucose in the liver cells. which of the following describes the initial steps in the process whereby epinephrine stimulates glycogen breakdown? a) epinephrine binds to a cell-surface receptor; the activated receptor stimulates production of the second messenger, camp. b) epinephrine binds to a cell-surface receptor; the activated receptor catalyzes the conversion of glycogen to glucose. c) epinephrine diffuses through the plasma membrane; the hormone dimerizes in the cytosol. d) epinephrine is taken into the cell by endocytosis; glycogen is converted to glucose in the endocytotic vesicle.

Can someone pretty me with this ? it’s urgent.compare the three theories of emotion. here are the three theories of emotion. cannon-bard theory of emotion: the belief that both psychological arousal and emotional experience are produced stimultaneously ( at the same time) by the same nerve stimulus. james-lange theory of emotion: the belief that emotional experience is a reaction to bodily events occurring as a result of an external situation. ( “ i feel sad because i am crying.) schachter-singer theory of emotion: the belief that emotions are jointly determined by a nonspecific kind of psychological (bodily function) arousal and its interpretation, based on environmental ( natural surroundings) cues. which of these theories makes most sense to you? why. your response should be written using proper english spelling and grammar. and it needs to be 10 complete sentences.