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.
Раскрыты подробности о договорных матчах в российском футболе18:01
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Сын Алибасова задолжал налоговой более 1,8 миллиона рублей20:37
这是一个值得持续观察的博弈，难有定论。
Church users are having to learn to live alongside these creatures of the night - and some parishes are even starting to see bats as more of a treat than a trick.