Q. Consider the following statements:
1.In a resting neuron, there is difference in electrical charge on either side of surface membrane called potential difference.
2.It is due to unequal distribution of K+ ions and Na+ ions on either side if the membrane.
3.The Na+ concentration inside a cell is about 28 to 30 times > than it is outside
4.The K+ ions concentration is about 14 times > outside than inside. Which of these above statements are correct?

  • (A) 1 only
  • (B) 1, 2
  • (C) 1, 2, 3, 4
  • (D) 1, 2, 3
βœ… Correct Answer: (B) 1, 2

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