下列关于人体内ATP叙述,错误的是( ) A.细胞中绝大多数需要能

下列关于人体内ATP叙述,错误的是(  )

A.细胞中绝大多数需要能量的生命活动都是由ATP直接提供的
B.线粒体中大量产生ATP时,一定伴随着氧气的消耗
C.在生命活动旺盛的细胞中ATP的含量较多
D.一分子ATP脱去两个磷酸基团可形成一分子腺嘌呤核糖核苷酸

答案

解:AATP是直接的能源物质,细胞内绝大多数需要能量的生命活动都是由ATP直接提供的,A正确;
B、线粒体是有氧呼吸的主要场所,有氧呼吸的第三阶段释放的能量多,产生的ATP多,此阶段在线粒体内膜上进行,还原氢与氧气结合生成水,B正确;
CATP在细胞内含量很少,所需要的大量的ATP依靠ATPADP的快速转化来提供,C错误;
DATP是由一分子含氮的鸟嘌呤碱基,一分子核糖和三分子磷酸组成,因此一分子ATP脱去两个磷酸基团可形成一分子腺嘌呤核糖核苷酸,D正确.
故选:C

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