define immunity,antigen,antibody
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define immunity,antigen,antibody
Antigens are molecules capable of stimulating an immune response. Each antigen has distinct surface features, or epitopes, resulting in specific responses. Antibodies (immunoglobins) are Y-shaped proteins produced by B cells of the immune system in response to exposure to antigens.
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the ability of the body(host) to fight against the disease causing agents is called immunity.
Antigen:- these are substance which when enter the body, stimulate the production of antibodies.
Antibodies:- these are immunoglobulins ( class of protein) produce in response to antigenic stimulation.
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