Mat Smith for Engadget
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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.
Также посол России в Исламабаде Альберт Хорев сообщил, что Москва выступает за сотрудничество Исламабада и Кабула для борьбы с терроризмом.
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阿豪舉例說，不會讓毛孩觸碰餐廳的餐具：「有些人沒有養狗，例如只要覺得你碰過餐具，就算怎樣去洗都還是會有影響。」，推荐阅读爱思助手下载最新版本获取更多信息
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