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Glucagon acts mainly on which cells?

Akidney cells
Bliver cells
Cmuscle cells
Dnerve cells
Answer & Solution
Correct answer: B. liver cells
1. Glucagon is a peptide hormone from the alpha cells. 2. It acts mainly on the liver cells, the hepatocytes. 3. There it stimulates glycogenolysis, raising blood sugar. 4. It also stimulates gluconeogenesis, which raises blood sugar further. _Source: syllabus Biology Ch19 'Chemical Coordination and Integration', section 19.2.8_
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