The answers is proteins. I want you to visit this website and look at the chart. http://samson.kean.edu/~breid/enzyme/enzyme.html
The substrate is proteins, and the products are peptides. Pepsin is a protease, i.e. an enzyme that catalyzes the breakdown of proteins. In humans, it is secreted by certain cells (called chief...
no
I am not an expert, but I believe you can find it in your stomach. More info here: http://biology.clc.uc.edu/courses/bio115/pepsin.htm
breaks down complex protein molecules into simpler proteins
Learn abuot Treating Acid Reflux with Pepsin