The question of counter-transport in the intestine.
D000818:Animals; D001692:Biological Transport; D002250:Carbon Radioisotopes; D002462:Cell Membrane / Q000187:drug effects / Q000378:metabolism; D006168:Guinea Pigs; D007082:Ileum / Q000187:drug effects / Q000378:metabolism*; D007413:Intestinal Mucosa / Q000187:drug effects / Q000378:metabolism*; D007700:Kinetics; D008433:Mathematics; D008715:Methionine / Q000378:metabolism / Q000494:pharmacology; D008757:Methylglucosides / Q000378:metabolism / Q000494:pharmacology; D008954:Models, Biological; D010649:Phenylalanine / Q000378:metabolism / Q000494:pharmacology; D012964:Sodium / Q000494:pharmacology; D013997:Time Factors
D002250:Carbon Radioisotopes; D008757:Methylglucosides; D010649:Phenylalanine; D012964:Sodium; D008715:Methionine