If the membrane potential is -30 mV and the equilibrium potential for a positive ion is -10 mV, which way would the ion move passively?
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The membrane potential ($$V_m$$) is -30 mV. The equilibrium potential ($$E_{ion}$$) for a positive ion is -10 mV. Show more…
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(a) Calculate the chemical potential difference when intracellular $\left[\mathrm{Na}^{+}\right]=10 \mathrm{mM}$ and extracellular $\left[\mathrm{Na}^{+}\right]=150 \mathrm{mM}$ at $37^{\circ} \mathrm{C}$. (b) What would the electrochemical potential be if the membrane potential were $-60 \mathrm{mV}$ (inside negative)?
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