| 11. | Rod cells are most sensitive to light of wavelengths near 498 nm; such light appears blue-green.
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| 12. | Rattlesnake eyes, which contain a large number of rod cells, are well adapted to nocturnal use.
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| 13. | RETGC-1 has been found to be expressed in higher levels in cones compared to rod cells.
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| 14. | As green iguanas have only a few rod cells, they have poor vision in low-light conditions.
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| 15. | Albinism specifically affects the rod cells, but the number and distribution of the cones is unaffected.
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| 16. | In rod cells, these together are called rhodopsin.
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| 17. | As Ricord's iguanas have only a few Rod cells they have poor vision in low-light conditions.
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| 18. | PDE in rod cells are activated by transducin.
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| 19. | The retina contains rod cells and cone cells.
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| 20. | Because light is so scarce, fish often have larger than normal, tubular eyes with only rod cells.
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