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线粒体是细胞内的“动力站” ,它为细胞提供进行各种生命活动所需要的能量 ,同时它又是人类细胞中除细胞核外唯一存在ＤＮＡ的细胞器 ,现已证明线粒体ＤＮＡ(ｍｔＤＮＡ)含有编码呼吸链—氧化磷酸化系统中 13条多肽链的基因以及线粒体蛋白质合成所需要的 2 2个ｔＲＮＡ的基因和
Mitochondria are intracellular “motive stations” that provide cells with the energy they need to perform a variety of life activities, and are the only organelles of DNA present in human cells other than nuclei. It has been shown that mitochondrial DNA (mtDNA) The genes for the 13 polypeptide chains in the respiratory chain-oxidative phosphorylation system and the genes for the 2 2 tRNAs required for mitochondrial protein synthesis and