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Question
Which animal have porphyropsin instead of pigment rhodopsin in rods?
Which animal have porphyropsin instead of pigment rhodopsin in rods?
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Solution
The correct option is A Fish
In the rods of fresh water fishes, rhodopsin is replaced by the purple photolabile pigment porphyropsin. This participates in a retinal cycle identical in form with that of rhodopsin, but in which new carotenoids replace retinene and vitamin A.
In the rods of fresh water fishes, rhodopsin is replaced by the purple photolabile pigment porphyropsin. This participates in a retinal cycle identical in form with that of rhodopsin, but in which new carotenoids replace retinene and vitamin A.
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