If a Monovalent Cation Is Being Imported into a Cell $\Delta$

question 86

Multiple Choice

If a monovalent cation is being imported into a cell in the absence of a concentration gradient (i.e., the concentration for the transported cation is equal on both sides of the membrane) , what could you predict about $\Delta$ G_t? Assume the transmembrane potential is 50mV (inside negative) .

• A) The value of \(\Delta\)G_t will have a positive sign.
• B) The value of\(\Delta\)G_t will have a negative sign.
• C) The value of \(\Delta\)G_t will likely be close to zero.
• D) It is impossible to predict anything about the value of \(\Delta\)G_t.

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