然而，干细胞里四分之一的甲基胞核嘧啶却没有鸟嘌呤随后。
A quarter of the methylated cytosines in stem cells, however, were not followed by guanines.
四分孢子的显著特征是细胞核和高尔基体呈活跃状态。
The characteristics of tetrad was that the nucleus and Golgi bodies being in the active state.
方法采用外周血改良淋巴细胞微核检测方法对326例白血病患者外周血淋巴细胞微核四项检测指标进行观察和统计分析。
Methods This article used the reformed peripheral blood lymphocyte micronucleus's testing method. 326 cases of patients with different diseases were being selected and analyzed.
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