Answer:
Proteins digestion occur by trypsin.
Step-by-step explanation:
Digestion may be defined the process of breakdown of large food particle into the simpler substance and their absorption into the body. the digestive enzymes enzymes and juices are needed for digestion.
Trypsin may be defined as the enzyme that helps in the breakdown of proteins into simpler amino acids. The solution that contain proteins and carbohydrates and contain trypsin, the proteins are digested by trypsin and starch remains unaffected in the solution.
Thus, the answer is proteins digestion occur by trypsin.