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biology
Essay specific features
Written by:
Marvin W
Date added:
January 25, 2016
Level:
University
Grade:
A
No of pages / words:
2 / 350
Was viewed:
4155 times
Rating of current essay:
Essay content:
A protein is an organic compound that consists of
aminio acids joined by peptide bonds. Pepsin is one of three principal protein-
degrading enzymes in the digestive system the other two being chymotrypsin
which catalyzes the hydrolysis of peptide bonds and trypsin that acts with the
other proteins to break down dietary protein molecules to their peptides and
amino acids which will be absorbed by the intestinal lining...
displayed 300 characters
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Pepsin is synthesized
in an inactive form in the stomach lining; it is necessary to convert the inactive
enzyme and to maintain the optimum acidity (pH 1?3) for pepsin function.
Secreting pepsin in the inactive form of pepsinogen helps to protect the
cells of the gastric glands, and mucus helps protect the stomach lining from both
pepsin and acid...
displayed 300 characters
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