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Submitted by rmirley on Thu, 04/12/2018 - 12:49

There are several types of photoreceptors in plants. Some of these photoreceptors are phytochromes, cytochromes, and phototropins. Phytochromes are a class of photoreceptor that plants use to detect light and mediate a photosynthetic response. Cytochromes are photoreceptors that function as electron transfer agents in metabolic pathways. Cytochromes are compounds consisting of a heme bonded to a protein. Finally, phototropins are photoreceptors that mediate phototropic responses in higher plants. They allow plants to alter their response and growth to light.