Which of the following represents the correct sequence of events for protein digestion and absorption?

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In the stomach, pepsin degrades large polypeptides to small polypeptides. In the small intestine, pancreatic enzymes such as trypsin degrade smaller polypeptides to amino acids. Amino acids are absorbed in the large intestine by the Na+-amino acid cotransport mechanism.

In the stomach, enterokinase degrades large polypeptides to smaller polypeptides. In the small intestine, pancreatic enzymes such as trypsin degrade smaller polypeptides to amino acids. Amino acids are absorbed in the small intestine by the Na+-amino acid cotransport mechanism.

In the stomach, pepsin degrades large polypeptides to smaller polypeptides. In the small intestine, pancreatic enzymes such as trypsin degrade smaller polypeptides to amino acids. Amino acids are absorbed in the small intestine by the Na+-amino acid cotransport mechanism.

In the mouth, amylase degrades large polypeptides to smaller polypeptides. In the small intestine, pancreatic enzymes such as trypsin degrade smaller polypeptides to amino acids. Amino acids are absorbed in the small intestine by the Na+-amino acid cotransport mechanism.

 

asked Dec 31, 2012 in Biology by anonymous
    

1 Answer

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In the stomach, pepsin degrades large polypeptides to smaller polypeptides. In the small intestine, pancreatic enzymes such as trypsin degrade smaller polypeptides to amino acids. Amino acids are absorbed in the small intestine by the Na+-amino acid cotransport mechanism.

 

answered Dec 31, 2012 by anonymous

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