CAROL AND MIKE WERNER / SCIENCE PHOTO LIBRARY CAROL AND MIKE WERNER / SCIENCE PHOTO LIBRARY
Labelled illustration of sodium glucose transport proteins, or sodium-glucose linked transporters (SGLTs), which pump glucose into cells. On the left, glucose molecules and sodium ions attach themselves to a carrier protein on the outside surface of the cell. On the right, the transporter protein moves the carrier through the phospholipid bilayer and ejects the glucose and sodium ion inside the cell.
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