Glucagon is another hormone produced by the islets of Langerhans ( which produce

Question

Glucagon is another hormone produced by the islets of Langerhans ( which produce insulin)

A. what is the function of glucagon.

B) compare the circumstances under which glucagon is produced compared to those under which insulin is produced.

C. do you expect to find receptors for glucagon on the same cells on which insulin receptors are located?

d) How do yo think kinase cascade produced by glucagon compares to that produced by insulin? ( are the cascades the same and are they comparably complex?)

Explanation / Answer

A. Glucagon is an catabolic hormone which stimulates breakdown of stored glycogen into glucose during hypoglycemic conditions.

B. When level of glucose falls in blood, alpha cells of pancreas secretes glucogan which causes breakdown of liver glycogen into glucose.

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