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54 bytes added ,  15:42, December 17, 2008
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== Optical isomerism of amino acids ==
 
== Optical isomerism of amino acids ==
 
All α-amino acids except glycine CH<sub>2</sub>(NH<sub>2</sub>)COOH and proline have four different groups around the alpha carbon, forming a [[chiral centre]] and allowing [[optical isomerism]] to occur.
 
All α-amino acids except glycine CH<sub>2</sub>(NH<sub>2</sub>)COOH and proline have four different groups around the alpha carbon, forming a [[chiral centre]] and allowing [[optical isomerism]] to occur.
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==Amino Acids Have Characteristic Titration Curves==
    
== References ==
 
== References ==
nsJudgesRO, nsJudgesRW, nsJudges_talkRO, nsJudges_talkRW
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