Question

☞ What are antigens ?? Explain in briefly and also give its examples.

Answer 1

Hey here is your answer ●●●

Antigens are a toxin or other foreign substance which induces an immune response in the body especially the production of antibodies to fight against the same disease which has occurred to a person a couple of years ago or in childhood...

Example ●● The common cold virus which causes the body to make antibodies which can help prevent the person from the disease..

Hope it helps you !!!●●●

Answer 2

✍✍HERE IS YOUR ANSWER...⤵⤵
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$\underline{ANSWER}$ ➡

$<b><i>Antigens are foreign particles which are usually proteins and are capable of generating an immune response in the body.It is a property known as immunogenicity.These are substances specifically bound by antibodies or T lymphocyte antigen receptors.An antigen is any substance that causes your immune system to produce antibodies against it.$

Antigensare often found on the surface of cells.The main two blood groups are called ABO (with blood types A, B, AB, and O) and Rh(with Rh D-positive or Rh D-negative blood types). There are three types of antigen presenting cells in the body: macrophages, dendritic cells and В cells.

Example of Antigens are :- The virus and bacteria that cause disease, the blood group proteins , Organ transplantation etc.

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