User contributions for 130380913

A user with 4 edits. Account created on 7 November 2013.
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24 October 2014

28 November 2013

  • 14:5814:58, 28 November 2013 diff hist +482 N R groups Created page with "R groups are the side chain of an amino acid. R groups determine the properties of amino acids. There are 4 common side chains: acidic, basic, nonpolar and uncharged polar. The R..."