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Biology-Related Homework Help Biochemistry Topic started by: smkt025 on Sep 3, 2012



Title: Does pepsin or proteases break down protein molecules in the digestive system?
Post by: smkt025 on Sep 3, 2012
im writing exam notes, and i have written down that it goes proteases break down polypeptides into dipepetides and the dipeptides into amino acids, but then i have writtten down somewhere else that pepsinis an enzyme that breaks proteins into smaller molecules (polypeptides). im so confused!


Title: Does pepsin or proteases break down protein molecules in the digestive system?
Post by: lexiie on Sep 3, 2012
proteases  embodies enzymes that digest protein which are

pepsin are enzymes found in the digestive system (stomach) that helps in protein digestion ...hydrolyzes specific peptide bonds

others are chymtrypsin, trypsin, carboxypeptidase in the small intestine


Title: Does pepsin or proteases break down protein molecules in the digestive system?
Post by: smithstevee on Sep 3, 2012
Pepsin is a specific protease. Proteases are any enzymes that degrade proteins. Pepsin is a protease that breaks down large proteins into smaller polypeptides. Other proteases take these polypeptides and break them down further.