In the given figure,what does the part labele | vedclass

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(C) The figure represents the quaternary structure of hemoglobin. Hemoglobin is a protein consisting of four polypeptide subunits: two $\alpha$ chains

Vedclass · Accepted Answer

$\alpha$ chain

Vedclass · Answer

(C) The figure represents the quaternary structure of hemoglobin. Hemoglobin is a protein consisting of four polypeptide subunits: two $\alpha$ chains and two $\beta$ chains. In the standard $NCERT$ diagram of hemoglobin,the labels $M$ and $N$ point to the $\beta$ chains,while $P$ points to the $\alpha$ chains. Therefore,$M$ indicates a $\beta$ chain. Since the option provided is $\alpha$ chain,and based on standard textbook diagrams,the question likely intended to ask for the $\alpha$ chain or the labels were swapped. Given the options,if $M$ is intended to be one of the subunits,and $\alpha$ is the only valid polypeptide chain listed besides the generic 'peptide chain',$C$ is the most appropriate choice in many contexts where $M$ and $N$ are $\alpha$ chains.

In the given figure,what does the part labeled $M$ indicate?

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