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单词 positive selection
释义

positive selection

  • 网络阳性选择;正选择;正向选择
1.
阳性选择
阳性选择(positive selection):双阳性T细胞其TCR与胸腺皮质上皮细胞表达的MHC分子有效结合,该T细胞继续发育,否则发生 …
wssgwangjin.blog.163.com
2.
正选择
◇一些对生物有利的极稀有的突变通过正选择positive selection)增加等位基因频率,并固定在群体中。功能域或外显子洗牌…
yuanchunsxsfdx.blog.163.com
3.
正向选择
正向选择positive selection)是指固定了有利突变的等位 基因,并提高了个体适合度的选择作用。负向 选择(negative select…
www.docin.com
4.
对胸腺细胞的阳性选择作用
四军... ... 2.白细胞介素( interleukin) 3.对胸腺细胞的阳性选择作用positive selection) 4.B细胞受体( B cell receptor,BC…
www.bio-soft.net
5.
阳性选择过程
  1.阳性选择过程positive selection) 早期的胸腺细胞前体(prothymocyte)不足胸腺细胞总数的3%,其表型为CD4-CD8-双阴 …
www.39kf.com
6.
正向天择
...,并且针对这些插入/缺失进行演化分析、功能性研究与正向天择positive selection)之研究。
enews.nhri.org.tw
7.
正向筛选
(2) 选殖植物之正向筛选(positive selection)基因,如与碳水化合物代谢相关的phosphomannose isomerase (manA) 基因、xylos…
agbio.coa.gov.tw
8.
胸腺细胞的阳性选择过程
... 6. 肿瘤坏死因子( tumor necrosis fctor,TNF) 8. 胸腺细胞的阳性选择过程( positive selection) 9. 小鼠T亚群( T subset) ...
tigaomianyili.blogbus.com

例句

释义:
1.
That implies that these regions are so important for the organism that their DNA sequences are maintained by positive selection.
这意味着这些区域对于机体如此重要以至于它们的DNA序列通过主动选择来保持。
8191.blogbus.com
2.
Positive selection and vaccine mechanism are introduced on the premise of negative selection and clone selection in this algorithm.
该算法在负选择和克隆选择的基础上加入了阳性选择算子和疫苗算子。
tech.zidian8.com
3.
HAR1 is also the first documented example of an RNA-encoding sequence that appears to have undergone positive selection.
此外,HAR1也是已知第一个可能受到正向天择的RNA编码序列。
edba.ncl.edu.tw
4.
Much change is due to random genetic drift rather than positive selection. It could be called the survival of the luckiest.
变化很多是由于随机遗传漂变,而不是积极的选择。这可称之为最幸运者生存。
www.bing.com
5.
The researchers also found positive selection in four pigment genes important for lighter skin in Europeans that were not known before.
研究人员还首次发现四种色素基因的进化对欧洲人至关重要。
www.bing.com
6.
Much change is due to random genetic drift rather than positive selection.
许多变化源于基因的随机漂变而非自由选择。
pro.yeeyan.com
7.
The result shows that conservative transferrins suffered the positive selection effect.
结果显示:保守的转铁蛋白受到正选择作用。
dictsearch.appspot.com
8.
In this study, we performed a positive selection analysis of the VP1 genes of capsid proteins from Enterovirus 71 viruses.
本文对肠道71病毒核衣壳蛋白VP1基因序列进行了正选择压力分析。
www.virol.cn:8080
9.
In addition, no position in the VP1 genes of viruses isolated from China was under positive selection.
另外,取自中国的病毒的VP1基因没有位点受到正选择压力的作用。
www.virol.cn:8080
10.
Non-antibiotics Screening of Genetic Transformation for Plant Genes: Mannose Positive Selection System
植物基因遗传转化的非抗生素筛选:甘露糖阳性选择系统
www.ilib.cn
1.
Biosafe Marker Genes for Positive Selection
正向选择的生物安全标记基因
168.160.184.78
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