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Biological and related sciences , HealthCell Biology, Cellular and Molecular Neuroscience, Vascular Biology, Tumour Biology
Biological and related sciences cell biology, molecular biology, biomedicine
Do these proteins carry the gas ammonia or the ammonium ion across cell membranes? Biochemists have long speculated about the details of the ammonium transport proteins (Amt), which include the Rhesus protein factors. Researchers from Freiburg, Germany were able to show experimentally that indeed the ion is carried across the membrane, not the gas.