Cuba says it killed heavily armed exiles who attacked from US-registered speedboat

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4In 2007, Barrangou et al. demonstrated for the first time the function of CRISPR/Cas9 as a defensive mechanism of bacteria against bacteriophage attacks by a technique called “plaquing” which builds upon the technique of “plating” bacteria on agar. Plaques of viruses on agar are areas without growth of bacteria due to viral attacks.

大部分爭論圍繞著不同研究者使用的不同調查方法。

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