我们本以为这是再简单不过的进化选择了：当药物杀向全体细菌时，总有那么几个幸运儿，基因突变了，小命保住了，它们可以活下来继续繁殖下一代，而剩下的那些倒霉蛋就从此命归黄泉了。
The accepted scenario was a simple case of evolutionary selection. In a bacterial population exposed to a killer drug, a few lucky individuals might have a genetic mutation that kept them alive.
这些基因为细胞呼吸所需，没有这些基因真核细胞也就一命归西了。
These genes are needed for cell respiration, and without them eukaryotic cells die.
这些基因为细胞呼吸所需，没有这些基因真核细胞也就一命归西了。
These genes are needed for cell respiration, and without them eukaryotic cells die.
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