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?