View source for Pepsin

&nbsp;Pepsin is an enzyme produced by the chief cell of the stomach<ref>This is a reference to a fact sheet written by Jillian O'keeffe in a online health website:fckLRhttp://www.livestrong.com/article/346334-pepsin-enzyme-facts/</ref>. Its role is to break down large proteins from food into smaller polypeptides in order to be digest by the small intestine. 

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