Comment on the Acidic and Basic nature of Amino Acids.

ACID AND BASIC NATURE OF AMINO ACIDS- ZWITTER IONS:
Since amino acids contain both amino and carboxylic groups, when they are placed in an aqueous solution, amino acid exists as a dipolar ion (or as a zwitterion). A zwitterion can act as either an acid (which is a proton donor) or a base (which is a proton acceptor). Substances having this dual nature are amphoteric and are called, ampholytes meaning “amphoteric electrolytes

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