Respuesta :
Answer:
Explanation:
Oxygen binds with the iron group present in the center of hemoglobin, which is further connected in a form of pyrrole ring having coordination of nitrogen.
O₂ binds to heme in the hemoglobin of the red blood cell. In order for O₂ to bind, the iron must be in the +2 oxidation state.
What is a red blood cell?
- It contains a protein known as hemoglobin.
- It is responsible for the transport of oxygen and carbon dioxide.
- Mature RBCs do not have a nucleus and mitochondria.
What is hemoglobin?
- It is an iron-containing metalloprotein.
- The four nitrogen atoms in the ring's center coordinates with the iron ion.
What are the oxidation numbers of the iron?
The iron may be either in the +2 or in the +3 state.
Which state of iron binds to oxygen?
The +2 state of iron can bind to O₂.
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