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.
The pancreas essentially produces two hormones for blood glucose control. These are glucagon in response to low blood glucose levels and insulin in response to high blood gluc â¦ ose levels. The pancreas produces glucagon in response to low blood glucose levels.