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(B) The respiratory pigment that contains copper $(Cu)$ is Hemocyanin.Hemocyanin is a protein that transports oxygen throughout the bodies of some inv

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Hemocyanin

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(B) The respiratory pigment that contains copper $(Cu)$ is Hemocyanin.Hemocyanin is a protein that transports oxygen throughout the bodies of some invertebrate animals.Unlike hemoglobin,which contains iron $(Fe)$ and is found in red blood cells,hemocyanin is found free-floating in the hemolymph of mollusks and arthropods.When oxygenated,hemocyanin appears blue in color due to the presence of copper ions.

Column-$I$ (Organisms)	Column-$II$ (Respiratory Organs)
$P$. Fishes	$I$. Lungs
$Q$. Reptiles,Birds,Mammals	$II$. Gills
$R$. Amphibians like frogs	$III$. Lungs and moist skin

The respiratory pigment that contains $Cu$ is -

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Column-$I$ (Organisms) Column-$II$ (Respiratory Organs)
$P$. Fishes $I$. Lungs
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