HEME

heme, haem, hematin, haemitin, protoheme

(noun) a complex red organic pigment containing iron and other atoms to which oxygen binds

Source: WordNet® 3.1


Etymology

Noun

heme (countable and uncountable, plural hemes)

(biochemistry) The component of hemoglobin (and other hemoproteins) responsible for binding oxygen. It consists of an iron ion that binds oxygen and a porphyrin ring that binds the globin molecules; one molecule binds one molecule of oxygen.

Source: Wiktionary



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Word of the Day

3 February 2023

KEEP

(verb) cause to continue in a certain state, position, or activity; e.g., ‘keep clean’; “hold in place”; “She always held herself as a lady”; “The students keep me on my toes”


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