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 ?G is positive.
D) import requires energy input.
E) All are true.
Answer: B
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