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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.，推荐阅读旺商聊官方下载获取更多信息
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└─ Network Egress Control
2013年以后，秘鲁投资增速持续放缓，外国直接投资从2012年前后约120亿美元，降到2019年前后约80亿美元。国内资本同样趋于谨慎，资金宁愿停留在海外账户，也不愿投入生产。。关于这个话题，heLLoword翻译官方下载提供了深入分析