cytosine是什么意思？

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.The DNA base composition is 32.6 - 33.1 mol % guanine plus cytosine.D...

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.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.The DNA base compo...

cytosine的音标：cytosine的英式发音音标为：['saɪtəʊsi:n]cytosine的美式发音音标为：['saɪtoʊˌsin]...

He wanted to answer back, but he forbore from doing so.他想顶嘴，但是忍住了。Being old and sly , I forbore to call out.我上了年纪,人又机伶, 所以并没声张.I forbore to comment on this...我克制自己对此不予置评。Though my throat was still sore whiling eating, I ...

Current, our country active electrovalency is by electrovalency sort and valuation means two parts are comprised.目前, 我国现行电价是由电价种类和计价方式两部分组成.The task force is comprised of congressional leaders, cabinet heads and administ...

卵黄悬胶液...

“股骨”的拼音为：gǔ gǔ...

knap的第三人称单数（三单）为：knaps...

“混战”的拼音为：hùn zhàn...

“未击中”的英语可以翻译为：[体]mispunch，[体]miss ...

commandeer的一般过去时为：commandeered...

n.其时，其间adv.同时，其间...

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siphoned的音标：...

n.嘲鸟（善鸣叫，并能模仿别种鸟的叫声，故名）( mockingbird的名词复数 )...

Helium is a very light gas.氦是一种非常轻的气体。Helium is a gas used in balloons.氦是一种用于气球的气体.Unlike helium - 4, it cannot be produced by radioactive decay.与氦 - 4不同之处是, 氦-3不能由放射性衰变产生....

Aunt Zhang, her face radiating happiness , stood at the door waiting for her daughter - in - law who was coming from town.张大娘春风满面地站在大门口,等待从城里来的 儿媳妇.Thermal imagery produces a visual record from natural heat radiating sou...

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