Biochemistry All are TRUE about Gastrin, EXCEPT: A Precursor is preprogastrin B It has two major form G 34 and G 17 C Common feature of all gastrin is an amidated tetrapeptide D Glycine extended gastrin is produced by gastric mucosal cells 💡 Explanation All are TRUE about Gastrin, EXCEPT: ✓ Correct Answer: D. Glycine extended gastrin is produced by gastric mucosal cells