What Hormone Stimulates Glycogen Breakdown and Gluconeogenesis

Question

What hormone stimulates glycogen breakdown and gluconeogenesis?
A) leptin
B) cholecystokinin
C) glucagon
D) insulin
E) ghrelin

Accepted Answer

Glucagon is the hormone that stimulates glycogen breakdown (glycogenolysis) and gluconeogenesis, processes that increase glucose levels in the blood. It is produced by the alpha cells of the pancreas when blood glucose levels are low.