Name this hormone which often acts in opposition to insulin.
Levels of this substance are decreased by Exenatide, which is marketed as Byetta and is similar to GLP One. There are two peptides produced by L Cells whose names state that they are similar to this hormone. Though its levels are unchanged by normal meals, they go up for meals high in proteins and low in carbohydrates. Produced by the alpha cells in the Islets of Langerhans, it works primarily on the liver, causing it to release sugar in reaction to lower blood levels. Name this hormone which often acts in opposition to insulin.
Levels of this substance are decreased by Exenatide, which is marketed as Byetta and is similar to GLP One.
Glucagon