n.屈光性；向光性
They are involved in phototropism, and in PHOTOPERIODISM, where they are thought to affect phytochrome by transferring light energy from blue to red wavelengths. 它与向光性和光周期有关，一般认为黄素通过把光能从蓝光转移到红光而影响光敏色素。
They are involved in phototropism, and in PHOTOPERIODISM, where they are thought to affect phytochrome by transferring light energy from blue to red wavelengths. 它与向光性和光周期有关，一般认为黄素通过把光能从蓝光转移到红光而影响光敏色素。
