天气预报 > 自然 > 萤火虫是怎么发光的
萤火虫是怎么发光的
更新时间: 2021-04-30 01:29:40  

1、萤火虫腹见7-8节,末端2雄或1节雌内有磷化物发光质,光酵素作用,可绿冷光。

2、在萤火虫的腹部有数千个称为光细胞。这些发光细胞里含有两种化学物质——荧光素和荧光酵素。当氧气进入细胞时会促成这两种物质发生化学反应而发光。

关键词: 萤火虫 怎么 发光

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