Zwitterion Definition

Chemistry Glossary Definition of Zwitterion

Asparagine (L-asparagine , Asn, N) amino acid molecule. Ionized and non-ionized (zwitterion) forms. Structural chemical formula and molecule model.

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zwitterion is a molecule that contains both positively and negatively charged functional groups, and the net charge of the entire molecule is zero. Amino acids are the best-known examples of zwitterions. They contain an amine group (basic) and a carboxyl group (acidic).