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.
这样可以用氧被氮占据的肺泡。
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.
这含氮碱基、戊糖和磷基的每成为。
Other nitrogenous wastes include uric acid and creatinine.
其他含氮废物包括尿和肌酐。
One of the most important things the kidneys excrete is nitrogenous waste.
肾脏排出的最重要的东西之是含氮废物。
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