Dilution of the entire culture

Reference no: EM1384071

Question: Assume your professor handed you a test tube with 3.0 ml of an E.coli culture in it and told you to make a 10^(-3) dilution of the entire culture. Describe how you would do it.

Question: ION Relative Permeability [ION]in [ION]out Equilibrium Potential

Na+ 0.06 10 mM 120 mM _________ mV

K+ 1.0 130 mM 4mM _________ mV

Cl- 0.90 20 mM 200 mM _________ mV

Ca++ 0.0 1 micrometer 10 mM __________ mV

a) Approximate the membrane potential (Vm): _____ mV

b) Which ion did you use to get this value and why?

c) What vaue will the Vm reach during the peak of an action potential?

d) Now supply the true, accurate value of Vm using the numbers above:

Reference no: EM1384071

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