Oxygen carried in a hemoglobin molecule is bound to a/an

1 answer:

5 0

Oxygen carried in a hemoglobin molecule is bound to an iron atom.
The red blood cells contain a pigment called hemoglobin, each molecule of which binds four oxygen molecules.
This protein carries oxygen to the cells and carbon dioxide to the lungs.
It is the iron atom that binds oxygen as the blood travels between the lungs and the tissues.

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