| Answer | Crossword Clue |
|---|---|
| ROD | Cone's retinal partner |
| ROD | Cone's retinal counterpart |
| iodopsin | photosensitive violet pigment that occurs in the cones of the retina and is transformed by light into retinal and an opsin protein |
| iodopsins | a photosensitive violet pigment in the retinal cones that is similar to rhodopsin but more labile, is formed from vitamin A, and is important in daylight vision |
| ROD | Cone's partner |
| RODS | Partner of cones |
