Meaning of heme | Babel Free
hiːmDefinitions
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.
Equivalents
Examples
“The binding of oxygen to the iron⟳ molecule causes the hemoglobin molecule to undergo⟳ conformational changes that affect⟳ the binding of oxygen to other heme sites.”
“Impossible's breakthrough was in discovering that meat's essence comes from heme—the iron-rich molecule in blood that carries oxygen and is responsible for the deep-red color.”
CEFR level
B1
Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.
This word is part of the CEFR B1 vocabulary — intermediate level.
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