the sodium-potassium pump maintains high concentrations of Na outside the cell and K inside the cell, against their concentration gradients.
3 cytoplasmic Na bind to the pump.
ATP donates a phosphate group for energy.
the protein change its shape expelling Na to the outside.
2 extracellular K bind to the pump, releasing the phosphate.
the pump resumes its oringinal shape.
K is released inside.
đang được dịch, vui lòng đợi..
