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 17, 2025
- 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:
\begin{itemize}
\item Binding oxygen molecules in the lungs.
\item Releasing oxygen in tissues where it is needed for cellular respiration.
\end{itemize}
---
Final Answer:
\[
\boxed{\text{Transport of oxygen}}
\]
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