04-29-2008, 06:17 AM
During a meal, the vagus nerve stimulates secretion of acetylcholine, which stimulates the stomach to secrete HCl in a second-messenger pathway derived directly from membrane phospholipids. Which of the following second messengers is involved?
A ) cAMP
B ) cGMP
C ) Choline
D ) G protein
E ) Inositol 1,4,5-triphosphate
A ) cAMP
B ) cGMP
C ) Choline
D ) G protein
E ) Inositol 1,4,5-triphosphate