异构体
- 与 异构体 相关的网络例句 [注：此内容来源于网络，仅供参考]
-
These variants change the conformation and stability of nucleosome to facilitate transcriptional activation or deactivation, DNA repairing, heterochromatin formation, and others.
这些变体通过改变核小体的空间构象和稳定性，决定基因转录的激活或沉默，DNA的修复，染色体的异染色化等。
-
Fromthese facts,It could be deduced that 8 to 14 pairs of chromosomes possessed a certaindegree of hetorology,which was directly groved to be hybrid origin of P.tomentosaaccording to the good chromosome homology and fertility of P.bolleana and thehybrids of P.tomentosa×P.bolleana,it could be further deduced that the original parentsof P.tomentosa involved probably P.bolleana or P.alba.
从终变期、中期I的染色体构型看，有数目不等的联会程度较差的单价体和棒状二价体出现，在后期I，甚至末期I亦可见到含落后染色体分裂相的细胞，由此推断可能有8~14对染色体表现出一定程度的异源性，鉴于新疆杨以及毛白杨与新疆杨杂交产生的杂种毛新杨的染色体同源性较强、育性较好等现象，进一步推断毛白杨起源亲本可能包括新疆杨或银白杨。
-
Objective To investigate whether novel isoflavone and steroid derivatives have better antitumor activity.
目的 研究改构后的异黄酮及甾体类化合物是否具较好的体外抗细胞增殖的活性。
- 推荐网络例句
-
Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .
从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。
-
Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.
蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。
-
The almost sure central limit theorem is a pop topic of the probability research in recent years,because it has many actual applications in the random analogue.
中文摘要：几乎处处中心极限定理是近几十年概率论研究的一个热门话题。它之所以引起人们的注意是由于它在随机模拟方面的实际应用参见Fisher