What is the primary function of the sodium-potassium pump?

Practice Questions

Q1
What is the primary function of the sodium-potassium pump?
  1. To generate action potentials
  2. To maintain resting membrane potential
  3. To facilitate neurotransmitter release
  4. To recycle neurotransmitters

Questions & Step-by-Step Solutions

What is the primary function of the sodium-potassium pump?
  • Step 1: Understand that the sodium-potassium pump is a protein found in the cell membrane.
  • Step 2: Know that the pump moves sodium (Na+) ions out of the cell.
  • Step 3: Learn that the pump also moves potassium (K+) ions into the cell.
  • Step 4: Realize that this movement of ions is important for keeping the cell's electrical balance.
  • Step 5: Remember that this process requires energy, which is why it is called 'active transport.'
  • Step 6: Finally, understand that by doing this, the pump helps maintain the resting membrane potential of the cell.
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