Expression of the Na, K-ATPase

Highest level of expression of the Na, K-ATPase seen in

[A] Eye
[B] Liver
[C] Brain
[D] Kidney

Na, K-ATPase

  1. Kidneys have a high level of expression of the Na, K-ATPase
  2. Distal convoluted tubule expressing up to 50 million pumps per cell.
  3. This sodium gradient is necessary for the kidney to filter waste products in the blood, reabsorb amino acids, reabsorb glucose, regulate electrolyte levels in the blood, and to maintain pH.

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