| 31. | Purple is perceived when the blue and red cone cells are stimulated but the green ones aren't.
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| 32. | The presence of cone cells indicates they can see colours, although this suggestion has not been confirmed.
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| 33. | In cone cells, there are different types of opsins that combine with retinal to form pigments called photopsins.
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| 34. | :It's not color until it is received by our cone cells and perceived by our color vision system.
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| 35. | The three types of cone cell respond ( roughly ) to light of short, medium, and long wavelengths.
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| 36. | In many day-flying species, light passes through coloured oil droplets within the cone cells to improve colour vision.
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| 37. | Your eye perceives color because ( most ) have at least 3 different types of color cone cells.
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| 38. | Perception of color begins with specialized retinal cells containing pigments with different spectral sensitivities, known as cone cells.
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| 39. | Somehow, the way this drug blocks the enzyme in the cone cells leads to the perception of blue,
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| 40. | Rod cells, which are concentrated further away from the fovea, operate better than cone cells in low light.
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