番茄的根的生长点细胞中,能量转换器是( ) A.线粒体B.叶绿体

番茄的根的生长点细胞中,能量转换器是(  )

  A.线粒体   B.叶绿体    C.质体     D.叶绿体和线粒体

答案

A


解析:

叶绿体是光合作用的细胞器,能将光能转变成化学能,储存在有机物中。线粒体是细胞进行有氧呼吸的主要场所,能将有机物中稳定的化学能转变成ATP中活跃的化学能。线粒体和叶绿体都属于能量转换器,但根尖生长点细胞中不含叶绿体。

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