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Science意外发现:首次详细捕捉到DNA复制的隐藏机制
每天,人体内有数十亿个细胞分裂,用新细胞替换老细胞和受损细胞。每次发生这种情况时,你的整个遗传库——基因组(包含超过30亿对碱基的DNA)都必须从母细胞精确地复制到新的子细胞中。
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