Select the answer option below whose responses before and after the forward slas

Question

Select the answer option below whose responses before and after the forward slash, when inserted sequentially into the first and second blanks, respectively, of the following statement, accurately complete the text passage:

Because potassium ions are in _______________ and the Na/K pumps considered in this analogy move these ions _____________, neurons must use cellular energy for this transport process, thus explaining why the ion pumps have ATPase activity.

Question 12 options:

higher concentration in the cytosolic fluid inside the cell than in the interstitial fluid outside the cell / according to

higher concentration in the cytosolic fluid inside the cell than in the interstitial fluid outside the cell / against

higher concentration in the interstitial fluid outside the cell than in the cytosolic fluid inside the cell / according to

higher concentration in the interstitial fluid outside the cell than in the cytosolic fluid inside the cell / against

higher concentration in the cytosolic fluid inside the cell than in the interstitial fluid outside the cell / according to

higher concentration in the cytosolic fluid inside the cell than in the interstitial fluid outside the cell / against

higher concentration in the interstitial fluid outside the cell than in the cytosolic fluid inside the cell / according to

higher concentration in the interstitial fluid outside the cell than in the cytosolic fluid inside the cell / against

Explanation / Answer

The correct answer is B

higher concentration in the cytosolic fluid inside the cell than in the interstitial fluid outside the cell / againstBecause potassium ions are in higher concentration in the cytosolic fluid inside the cell than in the interstitial fluid outside the cell and the Na/K pumps considered in this analogy move these ions against, neurons must use cellular energy for this transport process, thus explaining why the ion pumps have ATPase activity.

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