05-10-2008, 06:03 PM
binding of GTP to a membrane-associated protein causes rapid metabolic changes in hepatocytes. These effects include decrease in intracellular glycogen stores and the release of glucose into the blood. Which of the following is likely mediator responsible for these effects?
A. cGMP-dependent protein kinase
B. Tyrosine-specific protein kinase
C. Protein kinase A
D. Phosphodiesterase
E. Janus tyrosine kinase (JAK)
A. cGMP-dependent protein kinase
B. Tyrosine-specific protein kinase
C. Protein kinase A
D. Phosphodiesterase
E. Janus tyrosine kinase (JAK)