<prompt> Enterokinase acts in:StomachPancreasSmall intestineLarge intestine  <response>: Enteropeptidase also called enterokinase is an enzyme produced by cells of the duodenum and is involved in digestion in humans and other animals. Enteropeptidase conves trypsinogen a zymogen into its active form trypsin, resulting in the subsequent activation of pancreatic digestive enzymes. Absence of enteropeptidase results in intestinal digestion impairment. 