मानव नेत्र की शलाका प्रकार की प्रकाश याही कोशिकाओं में पाया जाने वाला बैंगनी-लाल रंग का वर्णक रो...

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मानव नेत्र की शलाका प्रकार की प्रकाश याही कोशिकाओं में पाया जाने वाला बैंगनी-लाल रंग का वर्णक रोडोप्सिन, एक व्युत्पन्न है
(A) विटामिन-C का
(B) विटामिन-D का
(C) विटामिन- \( A \) का
(D) विटामिन \( -\mathrm{B} \), का
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