Hemocyanin

animals

Shrimp blood is pale blue to colorless when observed in living animals, not red. The colorless appearance comes from hemolymph that carries oxygen via hemocyanin, a copper-conta...

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biology

Lobster blood is blue because it relies on copper-rich hemocyanin rather than iron-rich hemoglobin to transport oxygen. When oxygen binds to hemocyanin in the blood, it turns a...

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