1. | equally permeable to both Na+ and K+ ions |
2. | impermeable to both Na+ and K+ ions |
3. | comparatively more permeable to K+ ions and nearly impermeable to Na+ ions |
4. | comparatively more permeable to Na+ ions and nearly impermeable to K+ ions |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. K+ ions from extracellular fluid to intracellular fluid
2. Na+ ions from intracellular fluid to extracellular fluid
3. K+ ions from intracellular fluid to extracellular fluid
4. Na+ ions from extracellular fluid to intracellular fluid
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDuring the transmission of nerve impulses through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric charge?
1. | First negative, then positive, and again back to negative |
2. | First positive, then negative, and continue to be negative |
3. | First negative, then positive, and then continues to be positive |
4. | First positive, then negative, and again back to positive |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn the resting state of the neural membrane, diffusion due to concentration gradients, if allowed, would drive:
1. K+ and Na+ out of the cell
2. Na+ into the cell
3. Na+ out of the cell
4. K+ into the cell
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology