您要查找的是不是：
- A phylogeny study of Medicago species based on ribosomal DNA ITS sequences 根据核糖体DNA ITS序列分析苜蓿属的系统分类
- Cloning and Sequence Analysis of the Ribosomal DNA ITS Gene of Leishmania donovani Isolates from Hill Foci of China 山丘疫区杜氏利什曼原虫核糖体基因内转录间隔区的克隆及序列分析
- Studies on the Classification of Begonia Sect.Sphenanthera Based on Nuclear Ribosomal DNA ITS Sequence Data 应用ITS区序列对秋海棠属无翅组分类学问题的探讨
- Cryptocaryon irritans isolates from marine fish in Mainland China were characterized by ITS ribosomal DNA sequences. 在分子水平上，根据ITS核糖体DNA序列鉴定中国海水鱼类刺激隐核虫。
- The internal transcribed spacer (ITS) region (ITS1, ITS2 and 5.8S rDNA) of the nuclear ribosomal DNA (nrDNA) was amplified via PCR in 28 taxa of Abies Mill. 由PCR反应扩增了 2 8种冷杉属 (AbiesMill.;)
- The diversity of nuclear ribosomal DNA(rDNA)internal transcribed spacer(ITS) sequences of Ginkgo biloba was determined by analyzing 10 leaf samples resenting different populations. 为研究银杏Ginkgo biloba种内核糖体DNA内转录间隔(ITS)区序列的多样性,以具有代表性的10个银杏嫩叶样本为材料,提取基因组DNA后用特异性引物进行PCR扩增,并直接测定其ITS区序列。
- PCR demonstrated the presence of urease gene in 31, and 16S ribosomal DNA in 58, of the 95 calculi investigated. 聚合酶链反应的结果显示在95个受检验的尿石中，31个存有变形杆菌尿素酸素基因，58个含16S核糖去氧核糖核酸。
- Ribosome not only highly resemble in its ultrastructure, but the encoded ribosomal DNA (rDNA) sequences also show high conservation among taxa. 核糖体不仅在显微结构上非常类似，甚至在核糖核酸分子序列也有相当程度的保守性。
- When the H3K9 methylation pathway is functioning properly, heterochromatin remains condensed and a single nucleolus forms around the ribosomal DNA. 当H3K9甲基化路径正常是，异染色质处于致密状态，在核糖体DNA周围形成单个核仁。
- The satisfied multiple fingerprints were obtained by this template DNA for both ARDRA (amplified ribosomal DNA restriction analysis) and RISA (ribosomal intergenic space analysis). 用该方法提取的基因组DNA做模板，进行扩增核糖体限制性酶切片断分析(ARDRA)及核糖体基因间区序列分析(RISA)，均获得了理想的多态性指纹图谱；
- It occurs in combined form in nucleic acids and several coenzymes. In DNA its complementary Base is guanine. It or its corresponding nucleoside or nucleotide may be prepared from DNA by selective techniques of hydrolysis. 在核酸和几种辅中以结合的形式出现。在去氧核糖核酸(DNA)中,其互补基是鸟嘌呤。借着水解的挑选技术,可从去氧核糖核酸制备胞嘧啶或相关的核或核酸。
- The ITS sequence of ribosome DNA was strictly conservative, and not suitable for the genetic diversity study of M. larici-populina intra-species populations. 核糖体基因转录间隔区高度保守;不适合该菌种内群体遗传多样性分化研究.
- Amplified ribosomal DNA restriction analysis 限制性片段长度多态性分析（ARDRA）
- ribosomal DNA internal transcribed spacer 核糖体转录间隔区
- amplifed ribosomal DNA restriction analysis 扩增性rDNA限制性酶切片段分析
- Nuclear ribosomal DNA large subunit 细胞核编码的核糖体大亚基
- You can't judge a book by its cover. 不能根据封面判断一本书(不可以貌取人)
- The brook warbled over its rocky bed. 小溪潺潺流过多石的河床。
- The bank has progressively increased its liquidity. 银行逐渐地增加其流动资产。
- The deer lowered its head to drink from the pond. 鹿低下头去喝池塘里的水。
