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- n. Plural form of haem.
Sorry, no etymologies found.
My first results showed that it was a spheroid with a well-defined atomic structure, a new concept when proteins were still widely regarded as woolly colloids, that it consisted of two identical halves which were not penetrated by diffusible electrolytes, and that its four haems were roughly parallel to each other.
Fenian's of 1867 ... well, despite making an absolute haems of things, such as blowing up their own people in prison and accidentally invading Canada, even those gobshites managed to last a few weeks.
Beginning with a simple and unnatural helix-forming sequence with just three different amino acids, we assembled a four-helix bundle, positioned histidines to bis-histidine ligate haems, and exploited helical rotation and glutamate burial on haem binding to introduce distal histidine strain and facilitate O