Focus your attention on step three of the Focus Figure. During this step, the pu

Question

Focus your attention on step three of the Focus Figure. During this step, the pump release Na^+ into the Na^2+ has now been from the to the . Which of the following best describes why Na^+ isn't also transported in the opposite direction from the to the ? in the extracellular fluid, the concentration of Na^+ is less that the concentration of K^+ in this pump conformation K^+ can now bind in this pump conformation Na^+ can no longer bird The concentration of Na^+ in the fluid is less than its concentration in the

Explanation / Answer

The answer is,

A.In the extracellular fluid, the concentration of sodium Na+ is less than the concentration of potassium K+.

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