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When the levels of glucose drop, alpha-cells in the pancreas secrete ____________________

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When the levels of glucose drop, alpha-cells in the pancreas secrete ____________________

(a) glucose

(b) glucagon

(c) starch

(d) pancreatic fluid

The question was asked during an interview.

My question is taken from Cancer in division Cancer of Cell Biology

1 Answer

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Correct answer is (b) glucagon

Explanation: When the glucose levels drop, alpha cells in the pancreas secrete glucagon in an effort to maintain the glucose levels.  The glucagon acts through G-protein coupled receptor and stimulates the breakdown of glycogen.

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