Vitamin ______ is needed in the retina of the eye to turn visual light into nerve signals to the brain.Multiple choice question.EADK
Question
Vitamin ______ is needed in the retina of the eye to turn visual light into nerve signals to the brain.
Multiple choice question:
EADK
Solution
The correct answer is "A".
Vitamin A is essential for vision, and it plays a crucial role in the retinal process of converting light into nerve signals. In the retina, Vitamin A is converted into a molecule called retinal, which combines with a protein called opsin to form rhodopsin, a light-sensitive receptor protein in the photoreceptor cells (rods and cones). When light hits these cells, rhodopsin undergoes a conformational change, initiating a biochemical cascade that ultimately results in a nerve signal being sent to the brain. This process is fundamental for vision in low light conditions and contributes to the overall function of the visual pathway. Without adequate Vitamin A, night blindness can occur and overall vision can be impaired.
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