A pancreas--cell in the pancreas, for example, needs to make insulin and so the gene for insulin is transcribed.

举个例子,一个胰腺细胞,要分泌胰岛素,那么编码胰岛素蛋白的基因就会被转录

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The regions that are necessary for describing what the protein is like are called exons, the regions that are not are called introns.

因此我们把编码蛋白质的区域,称为外显子,而把不参与编码蛋白的区域称为内含子

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They put a gene like the insulin gene in place of the milk protein, but behind the promoter that is used to produce milk proteins.

人们将产羊奶蛋白的基因,换成了胰岛素基因,在启动子后面的基因,原本是编码羊奶蛋白的

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When a gene gets expressed, that means its protein is produced.

一段基因得到表达,就意味着合成它所编码的蛋白

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We want not only for the cell to be able to synthesize the DNA, you want it to be able to express the protein off the DNA as well.

我们不仅希望细胞能复制DNA,还希望它能表达目标DNA所编码的蛋白

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A section of DNA that is responsible for encoding a gene, let's say it's the insulin gene for example, might be some stretch of DNA on a certain chromosome inside your cells, inside the cells of the pancreas.

一段编码蛋白的DNA序列,我们就拿编码胰岛素的基因来举个例子,它也许是一段DNA基因序列,位于你胰腺细胞里的,某条染色体上

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