Cellular Ion Gradients and Transport Quiz
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Questions and Answers

What is the main ion flow direction for potassium?

  • Alternates between in and out
  • Out of the cell (correct)
  • Into the cell
  • No net movement

    • What is the main ion flow direction for sodium?

  • Out of the cell
  • Into the cell (correct)
  • Alternates between in and out
  • No net movement

    • What is the net charge inside the cell primarily due to?

  • ATPASE and large impermeant anions (correct)
  • Calcium flow
  • Sodium-potassium pump
  • Chloride influx

    • What is the main ion flow direction for calcium?

    <p>Into the cell</p> Signup and view all the answers

    Under most conditions, which direction will chloride flow?

    <p>Into the cell</p> Signup and view all the answers

    What is the ratio of sodium pumped out to potassium pumped in by the sodium-potassium ATPase?

    <p>3:2</p> Signup and view all the answers

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