Guanine A nitrogenous base found in DNA and RNA.Guanine has a pruine ring structure.
是存在于DNA与RNA中的一种含氮碱基，具有一个嘌呤环结构。
Preoxygenation replaces the primarily nitrogenous mixture of ambient air, which constitutes the patient's functional residual capacity, with oxygen.
这样可以用氮占据的肺泡。
Malt extract is made by extracting the soluble products from sprouted grain,used in mycological as a source of carbohydrate and nitrogenous.
性状本品系大麦提的水溶物，用于配制真菌培养基，提供碳水化合物及氮源。
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Each composition of this nitrogenous base, pentose sugar, and phosphate group is called Nucleotide.
这种含氮碱基、戊糖和磷基的每一种组成称为。
Now this business of taking out the nitrogenous trash is one of the urinary system's biggest jobs.
现在这个清除含氮垃圾的工作是泌尿系统最重要的工作之一。
So if we're looking at the nitrogenous bases, these are the bases on the inside of DNA, this ladder.
所以如果我们观察含氮碱基，这些就是 DNA 内部的碱基，这个梯子。
One of the most important things the kidneys excrete is nitrogenous waste.
脏排出的最重要的东西之一是含氮废物。
Other nitrogenous wastes include uric acid and creatinine.
其他含氮废物包括尿和肌酐。
I was congested from having breathed all that nitrogenous place that's in the air.
我因为吸入了空气中所有的氮化合物而感到鼻塞。
And they also had to, especially terrestrial ones, they also had to get rid of nitrogenous waste.
它们，尤其是陆生生物，还需要排除含氮废物。
What goes off the inside, attached to the sugars is going to be the base or the nitrogenous base.
与糖相连、位于内侧的成分是碱基，即含氮碱基。
The building blocks of those are nucleotides, which are simply a sugar, a phosphate group and then a nitrogenous base.
这些生物大分子的基本构件是，它由一个糖分子、一个磷基团以及一个含氮碱基组成。
And then nitrogen also is going to be found on the inside of DNA. And the nitrogenous bases require nitrogen as well.
氮元素也存在于DNA内部，含氮碱基同样需要氮元素。
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划词翻译
详细解释
曼科学——化学 
曼科学——生物 曼科学——生物 曼科学——生物 
氮
基的每一种组成称为
脏排出的最重要的东西之一是
，它由一
