An Anion Is Found in Greater Concentration Inside the Cell

question 26

Multiple Choice

An anion is found in greater concentration inside the cell than outside. Which of the following statements BEST describes forces acting on the anion at the resting membrane potential ( -70 mV) ?

• A) The chemical force is directed into the cell and the electrical force is directed out of the cell.
• B) Both the chemical and electrical forces are directed out of the cell.
• C) The chemical force is directed out of the cell and the electrical force is directed into the cell.
• D) Both the chemical and electrical forces are directed into the cell.
• E) There is insufficient information to answer this question.

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