Answer to Question #209712 in Biochemistry for Vibha

Question

What will happen if an electrode is place in a solid slab of an enzyme which contains Mg2+.....?

Answer 1

The Mg2+ will build up an electric potential which exactly matches the chemical potential of Mg2+ in the sample.  

This is an electrolysis reaction involving a molten magnesium salt compound, in which reduction of magnesium occurs at the cathode.