Question:
What is the role of heme in hemoglobin?
What is the role of heme in hemoglobin?
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Heme binds oxygen in the lungs and delivers it to tissues, enabling cellular respiration.
Updated On: Jan 13, 2026
- Transport of oxygen
- Transport of carbon dioxide
- Structural stability
- Enzyme activity
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The Correct Option is A
Solution and Explanation
Heme is a prosthetic group in hemoglobin, composed of an iron atom bound to a porphyrin ring. Its function includes:
- Binding oxygen molecules in the lungs.
- Releasing oxygen in tissues where it is needed for cellular respiration.
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Final Answer:
\[ \boxed{\text{Transport of oxygen}} \]
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