Answer :
Final answer:
The main proteases involved in digestion are pepsin found in gastric juice, and trypsin, elastase, and chymotrypsin found in pancreatic juice. These enzymes break down proteins into peptides or smaller, which can then be absorbed and used to create new proteins.
Explanation:
Main proteases are pepsin which is found in gastric juice, and trypsin, elastase, and chymotrypsin which are found in pancreatic juice. These enzymes play a crucial role in the digestion of proteins. Pepsin acts in the stomach to break down the protein into peptides, short chains of amino acids. In the duodenum, enzymes such as trypsin, elastase, and chymotrypsin break down these peptides into even smaller peptides.
These enzymes are important because they help our bodies break down the proteins in our food into amino acids, which can then be absorbed into the bloodstream through the small intestines and used to create new proteins.
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