Absorption of proteins.
D000596:Amino Acids / Q000378:metabolism; D000818:Animals; D001692:Biological Transport; D002247:Carbon Isotopes; D004063:Digestion; D006801:Humans; D007408:Intestinal Absorption; D009584:Nitrogen / Q000378:metabolism; D010455:Peptides / Q000378:metabolism; D011506:Proteins / Q000378:metabolism*; D011868:Radioisotopes; D051381:Rats
D000596:Amino Acids; D002247:Carbon Isotopes; D010455:Peptides; D011506:Proteins; D011868:Radioisotopes; D009584:Nitrogen