The sodium-potassium pump works by using ATP to pump three sodium ions out of the cell and two potassium ions into the cell, creating a concentration gradient for both ions. This process is essential for maintaining the resting potential of the cell membrane and regulating the balance of fluids and electrolytes within the cell. Other examples of primary active transport include the proton pump (H+ ATPase), which is found in the stomach lining and helps to acidify the stomach contents, and the calcium pump (Ca2+ ATPase), which is involved in muscle contraction and relaxation.
-ATPase) . Found in nearly all human cells, this pump moves three sodium ions out of the cell and brings two potassium ions in. two major types of active transport
Biologists generally categorize active transport into two major types: and Secondary Active Transport . 1. Primary Active Transport The sodium-potassium pump works by using ATP to
While primary transport provides the raw power, secondary transport provides the efficiency, ensuring the cell never wastes an ounce of energy in its quest to stay alive. -ATPase)