胞嘧啶

bāo mì dìng

Meaning

cytosine nucleotide (C, pairs with guanine G 鳥嘌呤|鸟嘌呤 in DNA and RNA)

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Characters

胞bāowomb, placenta, fetal membrane⺼包嘧mìin chemistry, -mi as in pyramidine口密啶dìngin chemistry, -dine口定