Antibodies are protein molecules called

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Posted by Arya Sharma 5 years, 1 month ago
- 2 answers
Meghna Thapar 5 years, 1 month ago
Antibodies are immune system-related proteins called immunoglobulins. Each antibody consists of four polypeptides– two heavy chains and two light chains joined to form a "Y" shaped molecule. ... This variable region, composed of 110-130 amino acids, give the antibody its specificity for binding antigen. An antibody is a protein that is synthesized by an animal in response to the presence of a foreign substance in our body, called an antigen. They play a great role in the immune system, and are usually found in blood and other bodily fluids. Antibodies are created by white blood cells, or more specifically, B cells.
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Yangzee Sherpa 5 years, 1 month ago
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