guanine造句
例句与造句
- 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。 - There are four types of nucleic acid , adenine , cytosine , guanine , and thymine *
有四种类型的核酸? ?腺嘌呤、胞核嘧啶、鸟嘌呤、胸腺嘧啶。 - The most abundant bases are cytosine , thiamine , and uracil ( pyrimidines ) and adenine and guanine ( purines )
最丰富的碱基是胞嘧啶，胸腺嘧啶，尿嘧啶，腺嘌呤和鸟嘌呤。 - Performance of the chinese hamster ovary cell hypoxanthine guanine phosphoribosyl transferase gene mutation assay
中国仓鼠卵巢细胞次黄质鸟嘌呤转磷酸核糖基酶基因变异鉴定的操作 - In dna , four different bases are found . two of these , adenine and guanine , are double - ring structures called purines
在dna中，有四种不同的基，其中的两个为腺嘌呤和鸟嘌呤，即称为嘌呤的双环结构。 - It's difficult to find guanine in a sentence. 用guanine造句挺难的
- In dna , four different bases are found . two of these , adenine and guanine , are double - ring structures called purines
在dna中，有四种不同的碱基，其中的两个为腺嘌呤和鸟嘌呤，即称为嘌呤的双环结构。 - An adenine on one chain is always matched with a thymine * on the other chain , and a guanine with a cytosine
在一个链上一个腺嘌呤分子总是与另一个链上的一个胸腺嘧啶相匹配，而一个鸟嘌呤总是与一个胞核嘧啶分子相匹配。 - Effect of nitric oxide precursor - l - arginine - related peptide on rat platelet aggregation , thrombsis and the plasma levels of nitric oxide , cyclic guanine monophosphate and prostacyclin
血浆环鸟苷酸对血液透析患者干体重的评估价值 - Normal dna consists of four bases - adenine , cytosine , guanine and thymine ( known as a , c , g , t ) - molecules that spell out the genetic code in pairs
正常dna由四种碱基组成腺嘌呤、胞嘧啶、鸟嘌呤、胸腺嘧啶，这些分子以成对的方式组成基因的密码。 - Members of the purine group include adenine and guanine , which are constituents of the nucleic acids , and certain plant alkaloids , e . g . caffeine and theobromine
嘌呤基的成员包括腺嘌呤和鸟嘌呤，它们是核酸以及某些植物生物碱的成分，如咖啡因和可可碱。 - The base ratio of 1 : 1 for the bases adenine and thymine and the bases cytosine and guanine was the first clue to the specificity of base pairing in the nucleic acids
在核酸中的碱基配对高度专一性的原则决定了腺嘌呤与胸腺嘧啶，或鸟嘌呤与胞嘧啶之间的比值为1 ： 1 。 - Dna sequence analysis indicated that tn5gusa5 is prone to insert into low gc content regions ; guanine is a preferential base at the first place and cytosine at the last site of target sequence
在质粒上tn5gusa5也倾向于插入低gc含量区；碱基g和c分别在靶序列的首位和末尾出现的几率高。 - A more direct observation the intercalation interaction by addition the eu3 + - rutin complex into dna under the optimal conditions ( 0 . 1m acetate buffers . ph = 5 . 69 ) using fluorimetric method was presented . according to the spectral excitation and emission spectrum of dna and guanine
这项研究对芦丁及芦丁稀土配合物这些广谱抗菌、抗病毒药物的生理活性的定性分析和定量分析提供了一个非常直观有力的方法和手段，一具有良好的应用前景。 - 2 - e4 and s2 is induced respectively by 8 - ag and 5 - brdu with different drug concentration to make them deficient in hypoxanthine - guanine phosphoribosyl transferase ( hgprt ) and in thymidine kinase ( tk ) respectively and renamed 2 - e4 - a and 82 - 6 . their antibodies " isotypes are tested by goad anti - mouse isotype regent
取驯化好并处于对数生长期的2 - e _ 4 - a和s _ 2 - b细胞，再常规融合和筛选，三次克隆化后得稳定分泌双特异性抗体的杂交-杂交瘤细胞株6株。 - ( 3 ) the data support that roe deer ( capreolus capreolus ) moved into hydropotinae ( presently in which there is only one species : hydropotes intermix ) and stemed its own independent genus ; ( 4 ) the results are object to the usual standpoint that dusky musk deer and alpine musk deer are two different species ; ( 5 ) it is more reasonable that moschidae ( musk deer ) is placed at the level of super family ; ( 6 ) the number of transition within 12s rrna is within the range of 2 to 20 times bigger than that of transversion ; ( 7 ) as to nucleotide composition , adenine ( a ) is much more abundant than any of other bases ( averagely 36 . 88 % ) and guanine ( g ) is the least ( averagely 17 . 65 % ) in the complete sequence , which is similar with the loop region
( 4 )黑麝与马麝的12srrna基因序列完全相同， 12srrna基因数据不支持黑麝与马麝为两个种。 ( 5 )本实验结果支持麝作为上科的分类阶元存在。 ( 6 ) 12srrna基因的碱基代换中转换数远远大于颠换数( 2 - 20倍) ( 7 ) 12srrna基因二级结构中，全序列核苷酸的碱基组成腺嘌呤( a )最多(平均为36 . 88 ) ，鸟嘌呤最低(平均17 . 65 ) ，与环区的碱基组成相类似。
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