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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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但是到了1913年,这道闸门消失了。这道闸门的消失,是一条完整的利益链条,不是阴谋论。,推荐阅读91视频获取更多信息
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Врач составила идеальное меню при запорах21:01