Consider a Nerve Cell with an Internal Cl^- Concentration of 50

Multiple Choice

Consider a nerve cell with an internal Cl^- concentration of 50 mM,a membrane potential of 60 mV and an external Cl^- concentration of 100 mM.Each of the following is true for Cl^- import into the cell except

A) import is down a concentration gradient.
B) import is down an electrochemical concentration gradient.
C) import ΔG is positive.
D) import requires energy input.
E) All are true.