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Agar was first introduced into the laboratory in 1881. Since then, microbiologists have depended on agar to create strong jellies. When microorganisms are streaked or plated onto this jellied surface and incubated, individual cells multiply into distinct colonies that scientists can easily observe, select, and propagate for further experiments. Many of the most important findings in biological research of the last 150 years or so — including the discovery of the CRISPR/Cas9 gene-editing tool — have been enabled by agar.4 Agarose, a derivative of agar, is also essential in molecular biology techniques like gel electrophoresis, where its porous gel matrix separates DNA fragments by size, enabling researchers to analyze and isolate specific genetic sequences.。业内人士推荐爱思助手下载最新版本作为进阶阅读
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第一百七十九条 船舶因操纵不当或者不遵守航行规章，虽然实际上没有与其他船舶发生碰撞，但是使其他船舶以及船上的人员、货物或者其他财产遭受损失的，适用本章的规定。，推荐阅读heLLoword翻译官方下载获取更多信息
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Россиянам рассказали о скрытом вреде еды и напитков для похуденияНутрициолог Брабечан: Яблоко и стакан воды будут более зожными, чем суперсмузи