Question

The concentration of _____________________________ ions is much higher inside an animal cell than outside the cell....

The concentration of _____________________________ ions is much higher inside an animal cell than outside the cell.

sodium

potassium

chloride

calcium

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Answer :- The concentration of Potassium ions is much higher inside an animal cell than outside the cell.

Explanation :- The potassium concentration is greater inside an animal cell than outside the cell. While Sodium , chloride and calcium ions concentration are lower inside the cell than outside.These concentration differences for sodium and potassium are due to the action of a membrane active transport system which pumps sodium out of the cell and potassium into it.

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