Hemoglobin is a protein comprised of 4 polypeptide chains, each attached to a heme group composed of porphyrin and an iron atom Stock Photo - Alamy
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Is this statement correct Alpha helix are formed in protein which single polypeptide chain and beta pleated sheet structure is - Zoology - - 16099261 | Meritnation.com
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The number of polypeptide chains present in a molecule of haemoglobin is:
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How many polypeptide chains are there in 1 Hb molecule?A. 2 alpha & 2 betaB. 4 alphaC. 4 betaD. 1 alpha & 3 beta
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