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→Formation of zwitterions: sp
=== Formation of zwitterions ===
=== Formation of zwitterions ===
Zwitterions from from amino acids when the hydrogen from the carboxylic acid group (-COO'''H''') dissociates from the molecule and forms a [[dative covalent bond]] with the nitrogen in the amine group (-'''N'''H<sub>2</sub>). This forms an ion with two charges: RCH(NH<sub>3</sub><sup>+</sup>)COO<sup>-</sup>.
Zwitterions form from amino acids when the hydrogen from the carboxylic acid group (-COO'''H''') dissociates from the molecule and forms a [[dative covalent bond]] with the nitrogen in the amine group (-'''N'''H<sub>2</sub>). This forms an ion with two charges: RCH(NH<sub>3</sub><sup>+</sup>)COO<sup>-</sup>.
=== Physical properties of α-amino acids due to zwitterions ===
=== Physical properties of α-amino acids due to zwitterions ===