| Answer | Crossword Clue |
|---|---|
| porphyropsins | PORPHYROPSIN, a purple pigment in the retinal rods of freshwater fishes that resembles rhodopsin |
| Answer | Crossword Clue |
|---|---|
| porphyropsins | PORPHYROPSIN, a purple pigment in the retinal rods of freshwater fishes that resembles rhodopsin |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.