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hemerythrin

Hemoglobin vs Hemerythrin - What's the difference?

hemoglobin | hemerythrin |


As nouns the difference between hemoglobin and hemerythrin

is that hemoglobin is the iron-containing substance in red blood cells that transports oxygen from the lungs to the rest of the body; it consists of a protein (globulin), and haem (a porphyrin ring with an atom of iron at its centre) while hemerythrin is a respiratory pigment found in sipunculids, priapulids and brachiopods.