Which of the following statements is true with regard to this animation?

6) Part A

Which of the following statements is TRUE with regard to this animation?

Sodium ions are transported down their concentration gradient.
The cell does not expend ATP.
The cell is not expending energy.
Potassium ions are transported down their concentration gradient.
Both sodium and potassium ions are transported against their concentration gradients.

Answer

Both sodium and potassium ions are transported against their concentration gradient.

This happens during repolarisation when sodium potassium transport takes place across membranes to maintain resting potential. This process uses energy in form of ATP( adenosine triphosphate)

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