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来源：雅诚德英语网
And it is easily extracted, because it is one of ah and ful of genes found outside the cell nucleus , in structures called mitochondria.
并且，由于它是在细胞核之外存在的、在结构上被称为线粒体的少数基因之一，因此提取它是件很容易的事。
And it is easily extracted, because it is one of ah and ful of genes found outside the cell nucleus , in structures called mitochondria.
并且，由于它是在细胞核之外存在的、在结构上被称为线粒体的少数基因之一，因此提取它是件很容易的事。