think no small beer of oneself
小核RNA,小核核糖核酸,核内小分子核糖核酸
small nuclearRNA,snRNA,small nuclear RNA molecule
细胞内有小核RNA(small nuclearRNA,snRNA)。它是真核生物转录后加工过程中RNA剪接体(spilceosome)的主要成分。现在发现有五种snRNA,其长度在哺乳动物中约为100-215个核苷酸。snRNA一直存在于细胞核中,与40种左右的核内蛋白质共同组成RNA剪接体,在RNA转录后加工中起重要作用。
另外,还有端体酶RNA(telomeraseRNA),它与染色体末端的复制有关;以及反义RNA(antisenseRNA),它参与基因表达的调控。
另外,还有端体酶RNA(telomeraseRNA),它与染色体末端的复制有关;以及反义RNA(antisenseRNA),它参与基因表达的调控。
相关词条
small token of one's appreciation; small token of kindly feelings; a mere trifle
be small at both ends and big in the middle; a few at each extreme and many in between
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fetus small-for gestational age fetus
small screw torch