Question

(vii) The pigment in the blood of crabs that imparts a bluish tinge to the blood.
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Answer 1

Answer:

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Answer 2

Answer:

Hemocyanins

Explanation:

Hemocyanins are copper-containing respiratory pigments found in many mollusks (some bivalves, many gastropods, and cephalopods) and arthropods (many crustaceans, some arachnids, and the horseshoe crab, Limulus). They are colourless when deoxygenated but turn blue on oxygenation.