= Antiporter
{wiki=Antiporter}
An antiporter is a type of membrane transport protein that facilitates the movement of two different ions or molecules across a cell membrane in opposite directions. This process is crucial for various physiological functions, including maintaining ion balance, regulating pH, and transporting nutrients or waste products. In an antiporter, one molecule is typically transported into the cell while another is transported out. This exchange often occurs simultaneously and relies on the concentration gradient of one or both substances.
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