查询词典 DNA

In these diseases, there is an increase in DNA damage and a risk of progression to acute leukemia.

该病中DNA损伤和发展为急性白血病的风险增加。

He identified the enzyme reverse transcriptase, thus providing strong evidence for a process of RNA to DNA conversion.

研究中，他证实了RNA逆转录酶的存在，为RNA逆转录DNA提供了有力证据。

Aberrant DNA methylation is one of the major characteristics of tumor cells in addition to genetic and other epigenetic alterations.

DNA甲基化的异常是肿瘤细胞的主要特征之一，此外还有遗传的和其他表观上的改变。

Consistent with these important roles, a growing number of human diseases have been found to be associated with aberrant DNA methylation.

同这些重要功能相符合的是，越来越多的人类疾病被发现同DNA甲基化的异常有关。

Compared with the traditional method, this new method has some advantages:①centrifugation is not necessary, therefore, separation of high molecular weigh DNA is possible;②phenol, chloroform and other toxic organics are not needed;③separation is more efficient and less timeconsuming④the quality of DNA isolated in this way is very high.

当样品裂解液与杂交液1：1混合并用磁性微粒进行小麦黄化苗和种胚的DNA分离与纯化时，效果非常理想。与传统的纯化方法相比，该法具有①快速、简便；②无有机试剂污染；③无需离心分离；④得率和纯度均较高等优点。

And visualising different lengths of DNA generated by PCR.

DNA测序仪是非常精密的分离和识别PCR产生不同长度的DNA的仪器。

Here, we examined the genetic diversity and phylogeographic structure of domestic goats by determining mitochondrial DNA and microsatellite DNA. The genetic diversity of five goat breeds including Angora goat, Shandonglaiwu black goat, Hanshan white goat, Taihang goat and Wuzhumuqin goat was surveyed using twenty-five microsatellite loci, The UPGMA phylogenetic trees constructed with the Dcoa genetic distances between the five goat breeds supported a closer relationship between Hanshan White goat and Wuzhumuqin goat.

利用微卫星和线粒体DNA分析山羊的遗传多样性及系统进化关系，用25个微卫星位点分析了安哥拉山羊、山东莱芜黑山羊、罕山白绒山羊、太行山羊及乌珠穆沁绒山羊这5个山羊品种的遗传多样性，利用共祖遗传距离的UPGMA聚类表明遗传距离和地理距离是一致的，如内蒙的罕山白绒山羊和乌珠穆沁绒山羊聚到一起。

Italian and British experts looked into the mitochondrial DNA -- genetic material handed on down the maternal line -- tease d 拣选出 from Oetzi's body at the South Tyrol Museum of Archaeology in Bolzano, Italy.

义大利与英国专家仔细检视他身上取下的粒线体DNA，这种粒线体DNA是只在母系血缘间传递的基因物质。冰人奥茨的尸身现存于义大利波札诺的「南塔罗考古学博物馆」。

Some of artificial kidney patients were HHV-7 DNA positive in plasma, while none of the controls was HHV-7 DNA positive, It suggested that active infection of HHV-7 might be related to the artificial kidney.

部分肾透析病人血浆中可检测到HHV-7 DNA，提示这些病人体内存在HHV-7的活动性感染。

Rollo, of the University of Camerino, in Marche, Italy, and his team carried out tests on mitochondrial DNA on tissue samples taken from the mummy in 2000 and found two typical mutations that are common among men with reduced sperm mobility, the statement said.

据美联社2月4日报道，声明说，此项研究的负责人、意大利卡美日诺大学的人类学家同时也是DNA分析专家的佛朗哥·罗洛确定，尽管该男子的特殊DNA属于一个首次被鉴别出来的亚组，但他的基因结构属于欧洲8种基础基因构成中的一种。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。