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Insulin is a major regulator of potassium homeostasis and has multiple effects on sodium pump activity. Within minutes of elevated insulin secretion, pumps containing alpha-1 and 2 isoforms have increased affinity for sodium and increased turnover rate.
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The Na+/K+ pump is found in the membranes of many types of cells. In particular, it plays a very important role in nerve cell membranes. Notice that 3 positive ions (Na+) are pumped out of the cell (towards ECF) for every 2 positive ions (K+) pumped into the cell (towards ICF).
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Na+/K+-ATPase - Wikipedia, the free encyclopedia
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Mechanism of the Na+/K+ Pump ... The Na/K pump is an active transport system. The energy for the active transport comes from the ATP molecule which is used to phosphorylate the transporter. Thus, to function, this pump requires a continuous source of ATP.
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On-Line Biology Book: GLOSSARY ... sodium-potassium pump The mechanism that uses energy to reset the sodium and potassium ions after transmission of a nerve impulse.
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The sodium-potassium pump is an active transport mechanism. ... 1 The sodium-potassium pump functions to pump ... What is the source of energy used to power the sodium-potassium pump?
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