渗漏
发表于 2025-3-21 17:18:32
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conflate
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tympanometry
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Transcription of Complex Structural Genes in the , Oocyte Systeminitiation. To follow this question, transcription systems are needed that allow to measure the template activity of native genes as well as of artificially modified DNA sequences. In the last few years, a whole series of such systems have been developed, such as injection of DNA into oocytes (Colma
职业拳击手
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生意行为
发表于 2025-3-22 10:54:42
Structures of the U-snRNAsit became apparent that the nucleoli were very complex structures that contained a variety of enzymes, nonhistone proteins, the rDNA and precursors of rRNA. It was not known at that time that in addition to many species of macromolecules involved in ribosome synthesis, nucleoli also contained slowly
formula
发表于 2025-3-22 15:30:29
The Association of Small Nuclear RNA Species with Rapidly Sedimenting Subnuclear StructuresDingman and Peacock, 1968; Weinberg and Penman, 1968; Hodnett and Busch, 1968). Studies using cell fractionation procedures demonstrated the existence of a cytoplasmic group (small cytoplasmic RNA, scRNA) and a nuclear group (small nuclear RNA, snRNA) among these low molecular weight RNA species (Zi
移动
发表于 2025-3-22 18:42:34
RNA Processing in Frog Oocytes Microinjected with Cloned Genes or changed almost at will. In order to study the function of these cloned genes, it is however necessary to bring them “back to life” in an eukaryotic cellular environment. This can be done by various means, such as the recent in vitro transcription systems or, as will be discussed here, by the int
Grievance
发表于 2025-3-23 01:04:51
Composition and Structural Organization of Nuclear Ribonucleoprotein in Amphibian Oocytesty, in sucrose, of 1.18 g cm. and containing most of the rapidly-labelled hnRNA in association with a population of heterogeneously-sized polypeptides. After further disruptive treatment, the nucleoplasmic fraction resolves into three distinct components: (i) a fibrillar network with a density, in s
Entropion
发表于 2025-3-23 03:47:50
hnRNP Protein Distribution in Various Differentiated Vertebrate Cellsc polyribosomes, there have been far fewer attempts made to examine the native forms of nuclear RNA molecules undergoing processing (for review, see Martin et al. 1980). Electron microscope studies (Miller and Bakken 1972; Angelier and Lacroix 1975; Puvion-Dutilleul et al. 1977) suggest that as nucl
browbeat
发表于 2025-3-23 06:18:33
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