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Question
Immunoglobulin exist in ............. structure.
Immunoglobulin exist in ............. structure.
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Solution
The correct option is D Quaternary
Immunoglobulins are the proteins which is Y shaped and plays an important role in the defensive mechanism. It has four polypeptide chain which includes two heavy chains and two light chains arranged to form a y shaped structure. The amino end is known as variable region which facilitates the attachment of antigen and the carboxyl end is known as constant region. The heavy and light chain is linked by disulfide chain as there is two domain thus, shows quaternary structure. So, the correct answer is option D.
Immunoglobulins are the proteins which is Y shaped and plays an important role in the defensive mechanism. It has four polypeptide chain which includes two heavy chains and two light chains arranged to form a y shaped structure. The amino end is known as variable region which facilitates the attachment of antigen and the carboxyl end is known as constant region. The heavy and light chain is linked by disulfide chain as there is two domain thus, shows quaternary structure.
So, the correct answer is option D.
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