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REPORT ABUSIVE REPLY
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Message Subject
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Why do they call royal blood "blue blood"???
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Poster Handle
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shevar |
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Post Content
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They actually did have blue blood, and it was not hemoglobin based but copper based.  what a stupid thing that is! Blood can't be 'copper based' since copper DO NOT CARRY OXYGEN! Even if they were 'copper based', they would still need Hemoglobin! The difference would be that their hemoglobin would be copper based and not Iron based. But that does not make sense anyway, since it's the Iron Ion on the hemoglobin molecule, that allows it to carry the O2. "The iron ion, which is the site of oxygen binding, bonds with the four nitrogens in the center of the ring, which all lie in one plane." Hemocyanin The blood of most molluscs, including cephalopods and gastropods, as well as some arthropods such as horseshoe crabs contains the copper-containing protein hemocyanin at concentrations of about 50 grams per litre.[18] Hemocyanin is colourless when deoxygenated and dark blue when oxygenated. The blood in the circulation of these creatures, which generally live in cold environments with low oxygen tensions, is grey-white to pale yellow,[18] and it turns dark blue when exposed to the oxygen in the air, as seen when they bleed.[18] This is due to change in color of hemocyanin when is it oxidized.[18] Hemocyanin carries oxygen in extracellular fluid, which is in contrast to the intracellular oxygen transport in mammals by hemoglobin in RBCs.[18] There is a sort blue blood but you won't find it in humans.
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