When a membrane is at rest, what attracts potassium ions to the inside of the cell?
A) An electrical gradient
B) A concentration gradient
C) Both an electrical gradient and a concentration gradient
D) Neither an electrical gradient nor a concentration gradient

Question

Quizplus · Accepted Answer

At rest, the inside of the cell is negatively charged relative to the outside, creating an electrical gradient that attracts positively charged potassium ions into the cell.

When a Membrane Is at Rest, What Attracts Potassium Ions