Definition, Meaning & Synonyms
heme
Noun
/hiːm/
Definition
Heme is a complex organic molecule that plays a crucial role in various biological processes, particularly in the transport of oxygen in the blood.
Examples
- Heme is essential for the proper functioning of red blood cells.
- The presence of heme in hemoglobin gives blood its red color.
- Some enzymes require heme as a cofactor to carry out their functions.
Meaning
Heme is an iron-containing compound that is a key component of hemoglobin and myoglobin, allowing these proteins to bind and transport oxygen in the body.
Synonyms
- iron-containing group
- protoporphyrin IX
- hematin
