The plasma membrane represents an energetic barrier to the free diffusion of ions from the extracellular space into the cytoplasm. Why are molecules such as valinomycin effective at transporting ions across the membrane? Why would a drop in temperature to or below the transition temperature limit valinomycin mediated K+ transport across the plasma membrane?
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The plasma membrane represents an energetic barrier to the free diffusion of ions from the extracell...
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