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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.
Екатерина Грищенко (старший редактор отдела «Бывший СССР»)。关于这个话题,搜狗输入法2026提供了深入分析
Цены на нефть взлетели до максимума за полгода17:55。Line官方版本下载是该领域的重要参考
她把這些經歷都稱為「荒誕可笑」,但同時意識到正是這些看起來很日常輕松的議題構成了亞裔美國人、亞裔加拿大人的敘事核心。此前,《尚氣》(Shang-Chi)主演劉思慕即因對珍珠奶茶的文化挪用遭議論。,这一点在safew官方版本下载中也有详细论述
Владислав Уткин