sn rna 中文意思是什麼
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Marc 145 cells were suitable for primary isolation and propagation of avian rotavirus. trypsin appeared essential for the enhancement of infectivity and the occurance of cytopathic effect ( cpe ). serum neutralization ( sn ) n electron microscopy ( em ) and analysis of genomic rna were done to identify and confirm the identity of rotavirus
根據病毒形態、基因組的聚丙烯酰胺凝膠電泳、病毒中和試驗、動物回歸試驗，對分離的病毒進行了鑒定，並對分離病毒的生物學特性和理化特性作了部分研究。 -
Rna polymerase i synthesizes the three largest rrnas. rna polymerase ii mainly produces mrna encoding proteins and most of sn rnas, and rna polymerase iii makes 5s rrna and trna, as well as a few small nuclear rnas. the transcription sites of the polymerases have been studied since early 1980s
真核生物細胞核中有三種rna聚合酶，即rna聚合酶、和，它們分別轉錄產生不同的rna ，其中rna聚合酶（ pol ）轉錄合成45srrna前體；聚合酶（ pol ）轉錄合成mrna前體及大多數snrna ；聚合酶（ pol ）轉錄合成5srrna 、 trna和一些小分子rna 。
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