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Question
Photosensitive pigment is
Photosensitive pigment is
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Solution
The correct option is C Similar in all vertebrate eyes
A common visual pigment is found in all kinds of photoreceptors. a mixture of a vitamin A-based chromophore known as Retinal and a seven-transmembrane-helix apoprotein called Opsin. Together, they form rhodopsin. The pigments belong to a special class of receptors called G protein-coupled receptors, characterized by signaling through heterotrimeric G proteins. Rhodopsin is thermally unstable, breaking down with light into the opsin and chromophore in vertebrates. Those are maintained by an enzymatic process. Invertebrate rhodopsins are stable, although renewal also must take place there. The amount of this pigment sometimes varies within species. So the correct option is B.
A common visual pigment is found in all kinds of photoreceptors. a mixture of a vitamin A-based chromophore known as Retinal and a seven-transmembrane-helix apoprotein called Opsin. Together, they form rhodopsin. The pigments belong to a special class of receptors called G protein-coupled receptors, characterized by signaling through heterotrimeric G proteins. Rhodopsin is thermally unstable, breaking down with light into the opsin and chromophore in vertebrates. Those are maintained by an enzymatic process. Invertebrate rhodopsins are stable, although renewal also must take place there. The amount of this pigment sometimes varies within species.
So the correct option is B.
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