HOW DOES LIGHT DISSOCIATE OPSIN FROM RATINAL
Phototransduction is the activation of opsin.
Conversion causes activation of opsin (transduction from light to chemical signal) and then dissociation of retinal from opsin. Trans-retinal then recycled to 11 cis-retinal.
More to know:
Opsin is a protein of the retina, especially the protein constituent of rhodopsin,that makes up one of the visual pigments. A red photopigment in the retinal rods of vertebrates; dissociates into retinene by light. Vertebrate retinas contain two types of photoreceptors. Rods are for vision in dim light, while cones provide high-speed color vision in bright light. The high dissociation rate of cone opsins combined with the irreversibility of rhodopsin formation underscores the tendency of rods to steal chromophore from cones.