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vegetation
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photosynthesis denomination
类囊体膜上的光合色素分为2类:
1)反应中心色素:少数特殊状态的叶绿素a分子,具光化学活性,既能捕获光能,又能将光能转换为电能
2)聚光色素(天线色素):无光化学活性,能吸收光能并传递到反应中心色素,绝大部分叶绿素a,全部的叶绿素b、胡萝卜素、叶黄素都属此类
约300个左右的色素分子围绕1个反应中心色素组成一个光合单位