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In the mid-1990s, University of Cambridge biochemists David Klenerman and Shankar Balasubramanian were trying to solve a fundamental problem: how to watch a single DNA polymerase molecule at work. Their approach used modified nucleotides, called reversible terminators, tagged with four different colors of fluorescent molecules. If one of these “terminators” was grabbed by the DNA polymerase and incorporated onto the replicating DNA strand, it would block the addition of any other bases until removed using a separate chemical reaction.
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This article originally appeared on Engadget at https://www.engadget.com/mobile/smartphones/iphone-17e-hands-on-pretty-in-pink-with-portraits-enabled-163946647.html?src=rss
这些年，越来越多普通人开始了文学写作。这本是人类精神表达的原生渴求，但大多数人往往止步途中。从“欲写”到“落笔”，需要克服惰性；从“完篇”到“臻善”，更是一场艰难跋涉。，详情可参考PDF资料
Информация о том, что ЦБ и Минфин якобы обсуждают законопроект о жестком мониторинге денежных операций россиян, не получила распространения в СМИ.
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