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Vor einem Tag · The English word Germany derives from the Latin Germania, which came into use after Julius Caesar adopted it for the peoples east of the Rhine. The German term Deutschland, originally diutisciu land ('the German lands') is derived from deutsch (cf. Dutch), descended from Old High German diutisc 'of the people' (from diot or diota 'people'), originally used to distinguish the language of the ...
Vor 3 Tagen · Ultraviolet ( UV) light is electromagnetic radiation of wavelengths of 10–400 nanometers, shorter than that of visible light, but longer than X-rays. UV radiation is present in sunlight, and constitutes about 10% of the total electromagnetic radiation output from the Sun. It is also produced by electric arcs, Cherenkov radiation, and ...
Vor 3 Tagen · This breakthrough beyond CRISPR arises from a newly discovered molecule — bridge RNA. It is similar to guide RNA, but also can simultaneously recognize two distinct stretches of DNA: the target site for editing, and the new gene to be inserted. Once the bridge forms, it can recruit a recombinase enzyme to edit the strand, combining the two.
Vor 2 Tagen · 《rna》发布于爱科学网，并永久归类相关sci期刊导航类别中，本站只是硬性分析 "《rna》" 杂志的可信度。学术期刊真正的价值在于它是否能为科技进步及社会发展带来积极促进作用。"《rna》" 的价值还取决于各种因素的综合分析。
Vor 3 Tagen · Physical cosmology. The cosmic microwave background ( CMB or CMBR) is microwave radiation that fills all space in the observable universe. It is a remnant that provides an important source of data on the primordial universe. [1] With a standard optical telescope, the background space between stars and galaxies is almost completely dark.
Vor 2 Tagen · Featured articles in Wikipedia. Featured articles are considered to be some of the best articles Wikipedia has to offer, as determined by Wikipedia's editors. They are used by editors as examples for writing other articles. Before being listed here, articles are reviewed as featured article candidates for accuracy, neutrality, completeness, and ...
Vor 3 Tagen · In biology, adaptation has three related meanings. Firstly, it is the dynamic evolutionary process of natural selection that fits organisms to their environment, enhancing their evolutionary fitness. Secondly, it is a state reached by the population during that process. Thirdly, it is a phenotypic trait or adaptive trait, with a functional role ...
