Nucleotides have three characteristic components: a nitrogenous base, a pentose, and a phosphate.
A. 核苷酸
B. 含氮碱基
C. 戊糖
D. 磷酸基
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The molecular without the phosphate group is called a nucleoside.
A. 磷酸团
B. 磷酸盐组
C. 皮膜化成
D. 磷酸基
metabolism _____________。