Q. 6

How is the intracellular levels of ions maintained higher than extracellular levels in animal cells?

Answer :

Intracellular levels of ions are maintained higher then extracellular levels in animal cells because animal cells have ATP powered pumps like the Na+- K+ pump where 3Na+ is sent out in exchange of 2 K+ ions thus increasing the level of K+ ions in the intracellular region. This is how via the pumps, ion concentration is maintained higher intracellularly than in extracellular region.

pump.PNG


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