兼性异染色质是在特定细胞发育命运中可能具有转录活性的异染色质。
Facultative heterochromatin is the heterochromatin that may become transcriptionally active in specific cell development fates.
我们会讨论在当代的模型化里染色质结构的重要性，并且温习在染色质结构和转录调控之间关系上，当前的研究工作成果。
We will discuss the importance of chromatin structure in contemporary modeling, and review recent research results on the relationship between chromatin structure and transcriptional regulation.
形态学观察结果显示， 水泡性口炎病毒感染BHK -21细胞的形态变化具有较典型的凋亡特征， 如细胞膜内陷、核染色质凝集边聚等；
The morphologic results showed that BHK-21 cells infected by VSV appeared peripheral condensation of chromatin, partition of cytoplasm and nucleus into membrane and so on.
从分析比较中也看出，黑麦c -带带型的异染色质多态性现象明显存在。而野生黑麦的杂合性现象也较明显。
The heterochromatic polymorphism of C-banding patterns in rye and the heterozygosity in wild rye are found in our analysis.
B3型胸腺瘤异型性较明显，常染色质较丰富，核仁明显，细胞质宽大，有突起。
Type B2, B3 thymoma have obvious atypia with rich in euchromatin and distinct nucleolus in nuclei and broad cytoplasm with projections.
这些修饰为改变染色质结构和易接近性服务，并作为转录因子或其他组蛋白修饰酶的停靠位点。
These modifications serve to alter chromatin structure and accessibility, and to act as docking sites for transcription factors or other histone modifying enzymes.
这些修饰为改变染色质结构和易接近性服务，并作为转录因子或其他组蛋白修饰酶的停靠位点。
These modifications serve to alter chromatin structure and accessibility, and to act as docking sites for transcription factors or other histone modifying enzymes.
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