这也有助于解释生物如何进化出新的形态——细胞对于自己的职责了解得越好，它所需的遗传指令就越少。
It also helps explain how organisms evolve new shapes - the better cells become at sensing what they should do, the fewer genetic instructions they need to be given.
细胞内线粒体是产能的主要来源并携带它们自己固有的一套遗传指令——线粒体DNA（mtDNA），进行有氧呼吸。
Mitochondria are the primary source of energy production in cells and carry their own set of genetic instructions, mitochondrial DNA (mtDNA), to carry out aerobic respiration.
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