M.Sc. Bio-Physics (PU-CET P.G) 2016 Panjab University Entrance Exam With Answers

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70.

KCl (100 mM) was entrapped inside large unilamellar vesicles. A diffusion potential across the bilayer can be generated by diluting with the buffer containing :

A: 100 mM KCl and a protonophore
B: 100 mM NaCl and a protonophore
C: 100 mM KCl and a K+ – specific ionophore
D: 100 mM NaCl and a K+ – specific ionophore

The answer is: D