Isoelectric point and zwitterions | Chemical processes | MCAT | Khan Academy

The isoelectric point of an amino acid is the pH at which the amino acid has a neutral charge. You will learn how to calculate the isoelectric point, and the effects of pH on the amino acid's overall charge. We will also discuss zwitterions, or the forms of amino acids that dominate at the isoelectric point. By Tracy Kovach. Created by Tracy Kim Kovach.

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