MCQ
Among the following essential amino acid is:
- AAlanine
- ✓Valine
- CProline
- DSerine

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$Fe|F{e^{ + 2}}\left( {0.2\,M} \right)||A{u^{ + 3}}\left( {0.02\,M} \right)|Au$, If $E_{F{e^{ + 2}}/Fe}^o = - 0.44\,V$ and $E_{Au/A{u^{ + 3}}}^o = - 1.50\,V$