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Which one of the following statements is not correct ?A. Retinal is the light absorbing portion of visual photopigmentsB. In retinal the rods have the photopigment rhodopsin, while cones have three different photopigmentsC. Retinal is a derivative of vitamin-CD. Rhodopsin is the purplish red protein present in rods only |
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Answer» Correct Answer - C Retinal pigment of epithelium shields the retina from excess incoming light. It supplies - 3 fatty acid and glucose to the retina. The former is used for building photoreceptive by membranes the latter used for energy retinal is supplied by the visual vitamin-A cycle. |
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