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荧光虫为什么会发光
更新时间: 2020-07-05 00:00:00  

这是由于荧光虫体内有一种称作虫荧光素酶的化学物质与氧气相互作用,从而产生光亮。这种被称作虫荧光素酶的化学物质像开关一样启动反应,当萤火虫产生虫萤光素酶的时,萤火虫发出光亮。荧火虫不仅成虫可以发光,卵、幼虫、蛹也能发光。成虫的腹部末端有发光器。雄虫的发光器为两节,雌虫为一节。在发光器透明皮肤下面有发光层和反光层。发光层呈黄白色,是一种叫荧火素的蛋白质发光物。

关键词: 荧光 为什么 发光

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