Question

precursor of trypsin is secreted by

Answer 1

trypsinogen. the inactiveprecursor form of trypsin. Trypsinogen is secreted in pancreatic juice and converted to active trypsin through the action of enterokinase in the intestine. 

Answer 2

The inactive precursor form of trypsin is trysinogen and it is secreated in pancreatic juice and then converted to trypsin through the action of enterokinase in the intestine.