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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With today's models, real attribution is a technical impossibility. The fact that an LLM can even mention and cite sources at all is an emergent property of the data that's been ingested, and the prompt being completed. It can only do so when appropriate according to the current position in the text.，详情可参考体育直播
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