而且细胞分裂时可能会产生致命的基因复制错误。据此怀疑主义者们说，走向衰老仍是人类不可避免的未来。
Add that to the dangerous genetic copying errors that occur as cells divide and, for these naysayers, growing old remains an unavoidable future for humanity.
他补充说，如果多线粒体染色体上的DNA同时复制，那么复制整个线粒体基因组将更快。
He added that if the DNA on multiple mitochondrial chromosomes is replicating in concert, replication of the entire mitochondrial genome would occur faster.
AHR的是一种转录因子，也就是说，它控制的信使分子的基因复制过程。
AHR is a transcription factor, meaning that it controls the process by which messenger molecules are copied from genes.
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