what are antibodies? Draw the structure of an antibody molecule, showing the two light chains and the two heavy chains of an antibody molecule. Why is an antibody represented as H2L2 ?
Answers
Answer:
An antibody, also known as an immunoglobulin, is a large, Y-shaped protein used by the immune system to identify and neutralize foreign objects such as pathogenic bacteria and viruses. The antibody recognizes a unique molecule of the pathogen, called an antigen.
Explanation:
There are four polypeptide chains in each antibody molecule. Out of these four chains two are smaller and called light chains and the other two chains are longer and called heavy chains. It is because of this antibody molecule is represented as H2L2.
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Answer:The two heavy chains are linked to each other by disulfide bonds and each heavy chain is linked to a light chain by a disulfide bond. In any given immunoglobulin molecule, the two heavy chains and the two light chains are identical, giving an antibody molecule two identical antigen-binding sites
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