Assertion: nitrogenous base | /r/HasProperty | structural elements of three
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Source sentences:
text: The nitrogenous base ( Structural elements of three nucleo—where one-, two- or three-phosphates are attached to the nucleo(in yellow, blue, green) at center: 1st, the nucleotide termed as ais formed by adding a phosphate (in red); 2nd, adding a second phosphate forms a; 3rd, adding a third phosphate results in a. + The nitrogenous base ( nucleobase ) is indicated by "Base" and " glycosidic bond " (sugar bond).