On the photoreceptor pigment for phototropism and phototaxis: is a carotenoid the most likely candidate?
D002338:Carotenoids / Q000528:radiation effects*; D008027:Light; D010786:Photoreceptor Cells / Q000528:radiation effects*; D010944:Plants / Q000528:radiation effects*; D011830:Radiation Effects; D013057:Spectrum Analysis
D002338:Carotenoids