The wavelengths of light a photoreceptor responds to is determined by the opsin in the photoreceptor.

Question

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Opsins are light-sensitive proteins that are located in the photoreceptor cells of the retina. The specific type of opsin present in a photoreceptor cell determines the wavelengths of light to which it responds. Different types of opsins are sensitive to different ranges of wavelengths, which allows the eye to detect different colors and forms the basis of color vision.

The Wavelengths of Light a Photoreceptor Responds to Is Determined