Home ยป What is common among amylase, rennin and trypsin? Biomolecules MCQs What is common among amylase, rennin and trypsin? December 27, 2021 18 Views 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