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What are anti...

Question

What are antigens , T - cells and B - cells ?

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Solution

Antigen is a foreign body that has a capacity to activate the immune system or antibodies in a body.
T-cells belong to a group of white blood cells (WBCs) called lymphocytes.Their main job is to fight infection.
B lymphocyte is also a type of white blood cell whose function is to produce antibody upon encountering any antigen.

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A. Antigens are sensed as foreign substances by different antigen-presenting cells (APCs) like RBCs.
B. Antigen-presenting cells initiate immune response by engulfing the antigens and processing them.
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Column I Column II

(i). B cells and T cells a. Binding of antigen on its cell surface.

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(iv). B cells are activated by d. Recognize antigens.

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