An enzyme, is produced in the stomach and breaks some of the peptide bonds in polypeptide chains. amylase denaturase dipeptidase pepsin

The answer would be: pepsin

Pepsin is the enzyme that could break the peptide bond in proteins. In other words, pepsin can digest protein. This enzyme is dangerous as it can break the protein in the cell membrane which could lead to cell lysis. That is why this enzyme produced in inactive form.

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