抵制
发表于 2025-3-26 23:52:16
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的’
发表于 2025-3-27 01:49:59
Methylation of Transfer Ribonucleic Acidmodifications, methylation is the most frequent, both in prokaryote and in eukaryote cells, allowing the formation of a variety of methylated nucleosides, which represent up to 50 per cent of the total number of the modified nucleosides (more than 50 have been identified so far) (3).
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发表于 2025-3-27 06:48:45
Differential Gene Expression during the Cell Life Cycleing of an asymmetric system of temporal “orbits” showing that DNA, RNA and proteins are synthesized, processed and structurally modified at given optimal stages of the cellular cycle. Such a generalization may become a useful analytical basis in genetic engineering of eukaryotes and in studies on cell differentiation or transformation.
用不完
发表于 2025-3-27 11:20:02
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maladorit
发表于 2025-3-27 15:19:11
Organization of the Ribosomal Genes Cluster of the Loachin rDNA of loach amplified nucleoli. The Hind III nuclease has at least five restriction sites. The combination of Eco R1 and Bam H1 nucleases cleaves this rDNA into two fragments of 6.1 and 3.7×10. daltons. The data indicate that the ribosomal RNA gene of loath has a repeat unit of 9,8×10. daltons and is not heterogeneous in the length.
有机体
发表于 2025-3-27 21:33:14
A Novel Type of Gene Organization in Eukaryotic Chromosomess approximately to one gene or, more precisely, to one complementation group. This indicates the existence of excess DNA in a genome which may be involved in regulation and other service functions. The location of unique genes along the chromosome is strictly fixed.
消极词汇
发表于 2025-3-27 22:11:12
Characterization of the Nuclear Matrix of Rat Liver and Hepatoma 27uclear matrix consisting of the nuclear envelope, nucleolus, and intranuclear fibrils and granules. After detergent treatment a nuclear skeleton remains which consists mostly of protein. Polyacrylamide gel electrophoresis with SDS reveals three protein bands of molecular weight 65 to 70000 D to be p
Critical
发表于 2025-3-28 04:40:33
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种子
发表于 2025-3-28 06:55:27
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Myocyte
发表于 2025-3-28 14:09:36
Organization of the Ribosomal Genes Cluster of the Loachmall growth oocytes and from oocytes at the beginning of vitellogenesis. DNA samples were analysed by density gradient centrifugation and hybridization with labeled rRNA of loach. The samples were enriched 200–300-fold in ribosomal RNA genes. rDNA was digested with EcoRI, Bam H1 and Hind III nucleas