Assume that a K^+ ion channel located on a human nerve cell membrane can be modeled by a cylindrical resistor with a 1 x 10^-9 m radius and 5 x 10^-9 m length. If the resistivity is 5.0 x 10^-2 .m; Calculate the resistance of the ion channel, Rion-channel. Answers:1.58*10^-8 or 7.96*10^6 are wrong
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