| 21. | Human eyes have color receptors known as cone cells, of which there are three types.
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| 22. | The company has not measured the electrical activity of the cone cells in the long term,
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| 23. | Unlike in most systems, rod and cone cells release neurotransmitters when not receiving a light signal.
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| 24. | Different cone cells respond to different wavelengths of light, which allows an organism to see color.
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| 25. | The retina contains rod cells and cone cells.
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| 26. | Each cone cell of a bird s retina contains an oil droplet which may contain carotenoid pigments.
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| 27. | It poisons that layer, which in turn leads to damage to the cone cells of the macula.
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| 28. | Of course, the study was made with fibroblasts and the situation may be different in cone cells.
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| 29. | This allowed Wald to determine the absorbance of pigments in the cone cells ( Goldstein, 2001 ).
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| 30. | Rod cells are the ones responsible for night vision, and cone cells are responsible for color vision.
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