original: These cone photoreceptors are sensitive to different portions of the visible spectrum.
simplifications: These photoreceptors are sensitive to different parts of the spectrum. Cone photoreceptors are sensitive. They react to different portions of the visible spectrum. These cone photoreceptors can sense different parts of the visible spectrum. These cone photoreceptors are sensitive to different parts of the spectrum you can see. Cone photoreceptors are affected by different amounts of visible light. Cone photo receptors are sensitive to different portions of the visible spectrum. The cone photoreceptors are sensitive to different colors. Cone photoreceptors are sensitive to different parts of the visible spectrum. These cone photoreceptors are sensitive to different areas of the visible spectrum. These cone photoreceptors reacts to different parts of the visible spectrum