英语单词

词典成语诗词造句字典单词小说古文名言

cytosine

英 ['saɪtəsiːn] 美 ['saɪto,sin]

n. [生化] 胞嘧啶；胞核嘧啶

英文词源

cytosine (n.): 1894, from German cytosin (1894), from cyto- "cell" + -ose + chemical suffix -ine (2). "The name cytosine (due to Kossel and Neumann) is misleading. Cytosine is not, like adenosine and guanosine, a nucleoside but the sugar-free base." [Flood]

双语例句

1. The other two, thymine and cytosine, are single ring structures called pyrimidines.: 另两个为胸腺嘧啶和胞嘧啶, 即称为嘧啶的单环结构.

2. Researchers at Purdue University used synthetic forms of guanine and cytosine.: 美国普渡大学的研究人员使用的是合成的鸟嘌呤与胞嘧啶.

3. There are just four kinds: adenine, thymine, guanine and cytosine.: 只有4种: 腺嘌呤、胸腺嘧啶、鸟嘌呤和胞核嘧啶.

4. The DNA base composition is 32.6 - 33.1 mol % guanine plus cytosine.: DNA(脱氧核糖核酸)的G+C 摩尔百分含量为32.6—33.1.

5. Cytidine ( cytosine nucleoside ) A NUCLEOSIDE formed when cytosine is linked to Dribose via a � � - glycosidic bond.: 胞嘧啶核苷:当胞嘧啶通过β - 糖苷键与D- 核糖接合形成的核苷.