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核纤层功能?

问答题
2022-03-16 00:32
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正确答案
①保持核的形态。是核被膜的支架。核纤层与核骨架以及穿过核被膜的中等纤维相连,使胞质骨架和核骨架形成一连续网络结构
②参与染色质和核的组装。核纤层在细胞分裂时呈现出周期性的变化,在分裂间期核中,核纤层提供了染色质(异染色质)在核周边锚定的位点。在细胞分裂前期结束时,核纤层蛋白磷酸化,核膜解体。在细胞分裂末期,核层蛋白去磷酸化重新组装,介导了核膜的重建。

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核纤层
核纤层功能?
lamina (核纤层)
nuclear lamina(核纤层)
nuclear lamina protein (核纤层蛋白)
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