| 释义 |
zwitter hypothesis zwit·ter hy·poth·e·sisthat an amphoteric molecule (for example, an amino acid) has, at its isoelectric point, equal numbers of positive and negative charges, thus becoming a zwitterion.zwit·ter hy·poth·e·sis (tsvit'er hī-poth'ĕ-sis) That an amphoteric molecule (e.g., an amino acid) has, at its isoelectric point, equal numbers of positive and negative charges, thus becoming a zwitterion (dipolar ion). |