| 单词 | 单线 |
| 释义 | 〔unifilar〕Having or using only one filament, such as a thread or wire.单线的：仅有或用一根丝，例如纤维或导线〔RNA〕A polymeric constituent of all living cells and many viruses, consisting of a long, usually single-stranded chain of alternating phosphate and ribose units with the bases adenine, guanine, cytosine, and uracil bonded to the ribose. The structure and base sequence of RNA are determinants of protein synthesis and the transmission of genetic information. Also called ribonucleic acid 核糖核酸：是所有活细胞和许多病毒的一种聚合组成要素，由一条长的、通常是单线的相互交替的磷酸盐和核糖单位组成，核糖上又附着有腺嘌呤，鸟嘌呤，胞核嘧啶及尿喀啶等基本成分。核糖核酸的结构及基本顺序是蛋白质的合成及遗传信息的决定因素 也作 ribonucleic acid |
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