hexone bases

hex·one ba·ses

, histone bases
the α-amino acids arginine, histidine, and lysine, which are basic by virtue of the presence in the side chains of a guanidine, imidazole, and amine group, respectively; the term "hexone" is a misnomer given that histidine does not have six carbons.

hex·one ba·ses

, histone bases (heks'ōn bās'ĕz, his'tōn)
The α-amino acids arginine, histidine, and lysine, which are basic by virtue of the presence in the side chains of a guanidine, imidazole, and amine group, respectively.
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