What do dental plaque and the startle reflex have in common? Select one: a. They both involve bacteria b. They are both biological phenomena that involve cell signaling c. Both involve extremely rapid cell responses, on the order of milliseconds d. They both demonstrate that signaling only happens in eukaryotes e. They both involve receptors binding to signal proteins
In the insulin signaling pathway shown below, what happens to the activities of glycogen synthase and phosphorylase when insulin activates the receptor? insulin glucose DIRSIUPISK Осы insulin receptor PKB ISPK GLUT4 GSK-33 phosphorylase kinase PPI PPIG glycogen synthase phosphorylase glycogen UDP glucose plucone Iphosphate Select one: a. Glycogen synthase is repressed and phosphorylase is repressed b. Glycogen synthase is repressed and phosphorylase is activated c. Glycogen synthase is activated and phosphorylase is activated d. Glycogen synthase is activated and phosphorylase is repressed
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