Q.
The protein haemoglobin found in humans can be described having a ___________ structure.
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NTA AbhyasNTA Abhyas 2020Biomolecules
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Solution:
When a protein is made up of two or more than two polypeptide held together variously than it form quaternary structure. Protein haemoglobin has quaternary structure as it is made up of 4 polypeptide or subunits. Two of these are identical to each other. Hence two subunits of alpha type and two subunits of beta type together constitutes the human haemoglobin molecule.