Guanine A nitrogenous base found in DNA and RNA.Guanine has a pruine ring structure.
是存在DNA与RNA种含氮碱基,具有个嘌呤环结构。
Preoxygenation replaces the primarily nitrogenous mixture of ambient air, which constitutes the patient's functional residual capacity, with oxygen.
这样可以氧气取之前被氮气占据肺泡。
Malt extract is made by extracting the soluble products from sprouted grain,used in mycological as a source of carbohydrate and nitrogenous.
性状本品系大麦提取水溶,配制真菌培养基,提供碳水化合及氮源。
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Each composition of this nitrogenous base, pentose sugar, and phosphate group is called Nucleotide.
这种含氮碱、戊糖和的每一种组成为核苷。
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一是含氮废物。
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