A high concentration of potassium chloride (K) is placed on one side of a selectively permeable barrier and a low concentration is placed on the other side of the barrier. The barrier is only permeable to potassium (K+). What is the electrical gradient on potassium and chloride at the start?
O An electrical gradient from the high concentration side to the low concentration side for potassium and a gradient from the low concentration side to the high concentration side for chloride
O There is no electrical gradient for either ion
O An electrical gradient from the high concentration side to the low concentration side for both ions
O An electrical gradient from the low concentration side to the high concentration side for both ions