双语例句原声例句
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这种技术可在DNA靶标分子的任意位点进行基因敲除、敲入、点突变等操作，无需使用限制性内切酶和连接酶。
The Red mediated recombination can be used to insert, delete or substitute DNA sequences at any desired position on a target molecule without the need for restriction enzymes or DNA ligases.
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方法：运用多聚酶链反应-限制性内切酶片段长度多态性技术(PCR - RFLP)检测MTHFR的677位点多态性。
Methods: PCR-RFLP technique was used for detecting the A677V polymorphism site of MTHFR gene.
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In this case, this particular restriction enzyme cuts symmetrically like this, but not at the same point.
在我们这种情况下,这个限制性内切酶总是这样对称地切割,但两条链切割的位点不一样
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