根据细胞学观察，在细胞分裂时，各染色体的着丝点（spindle fiber attachment） 位置是恒定的，固用每一条染色体臂长的比值（长臂/短臂）来测定着丝点的位置，以便 研究染色体类型 [25] 。
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Objective To investigate the regulatory effect of HIV-1 Tat on mitotic centromere-associated kinesin(MCAK) expression and the related mechanism.
目的验证HIV-1Tat对有丝分裂着丝点关联驱动蛋白MCAK基因表达的调节作用并探讨其分子机制。
参考来源 - HIV·2,447,543篇论文数据，部分数据来源于NoteExpress
中期板大概是两个相等而方向相反的放射状著丝点微管群之间的平衡点。
The metaphase plate would thus be the null point between two equal but oppositely directed and acting groups of kinetochore tubules.
“朱迪丝从来不迟到，你肯定她说的是8点？”—“肯定。”
他的笑容里没有一丝一毫的感情，但很少有眼睛能近距离或敏锐地察觉到这一点。
His smile had no heart in it, but few eyes were near enough or sharp enough to detect that.
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