<biochemistry> Compounds of iron complexed in a porphyrin (tetrapyrrole) ring that differ in side chain composition. Haems are the prosthetic groups of cytochromes and are found in most oxygen carrier proteins.

Origin: G. Haima

(21 Jun 2000)

Haeckel, Ernst, Haeckel's gastrea theory, Haeckel's law < Prev | Next > haem-, haem a, haemachrome

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