Associations to the word «Zwitterion»
Noun
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Wiktionary
ZWITTERION, noun. (chemistry) A molecule, such as an amino acid, that carries both a positive and a negative charge.
Wise words
Wisdom does not show itself so much in precept as in life -
in firmness of mind and a mastery of appetite. It teaches us
to do, as well as talk, and to make our words and actions
all of a color.