Home ยป What is common among amylase, rennin and trypsin? Biomolecules MCQs What is common among amylase, rennin and trypsin? December 27, 2021 1 View Q. What is common among amylase, rennin and trypsin? These are all proteinsThese are proteolytic enzymesThese are produced in stomachThese act at a pH lower than 7 Answer: These are all proteins