2. Once you recognize that this is a single replacement problem, determine whether the non-bonded element is a cation or anion. Then determine which element it will replace. Remember cations can only replace cations and anions can only replace anions.
If you haven't eaten for several hours and your blood sugar level drops, another hormone from your pancreas called glucagon signals your liver to break down the stored glycogen and release glucose back into your bloodstream.
Glucagon. Glucagon is secreted by the alpha cells of the pancreas when blood glucose is low. Blood glucose is low between meals and during exercise. When blood glucose is high, no glucagon is secreted from the alpha cells.Glucagon has the greatest effect on the liver although it affects many different cells in the body.lucagon. Glucagon is secreted by the alpha cells of the pancreas when blood glucose is low. Blood glucose is low between meals and during exercise. When blood glucose is high, no glucagon is secreted from the alpha cells.