A-LevelChemistryIntroduction to organic chemistryOct/Nov 2021Paper 4 Q106 Marks
Valine (Val) and lysine (Lys) are amino acids. The structures of these amino acids can be found in the Data Booklet. The isoelectric point of an amino acid is the pH at which it exists as a zwitterion. The isoelectric point of valine is 6.0. The isoelectric point of lysine is 9.7.
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