The techniques they use — removing DNA from bacterial cells, manipulating them using enzymes and returning them to a new cell — are similar to those used to create genetically modified foods.
他们使用的技术——将细菌细胞中的DNA取出，用酶操纵它们并使之返回到一个新的细胞——类似于用制造转基因食品的技术。
They are investigating whether genetically modified stem cells - the body's master cells that can grow into any kind of cell - can be used to treat AIDS patients.
他们正在研究转基因干细胞是否可以用于治疗艾滋病患者。干细胞是人体的主干细胞，可以分化生长成任何类型的细胞。
When insects bite genetically modified Bt corn and cotton, they get a mouthful of a built-in toxin, produced by every cell of the plant.
当昆虫叮咬基因改造后的Bt菌玉米，他们叮咬的其实是满口的内置毒素，植物的每一个细胞都会产生这样的毒素。
When insects bite genetically modified Bt corn and cotton, they get a mouthful of a built-in toxin, produced by every cell of the plant.
当昆虫叮咬基因改造后的Bt菌玉米，他们叮咬的其实是满口的内置毒素，植物的每一个细胞都会产生这样的毒素。
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