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(A) Active acquired immunity is developed when the immune system encounters an antigen and produces a specific response. This process involves the act

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Memory cells

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(A) Active acquired immunity is developed when the immune system encounters an antigen and produces a specific response. This process involves the activation of $B$-lymphocytes and $T$-lymphocytes. Upon the first exposure to an antigen,the immune system generates memory cells. These memory cells are responsible for recognizing the same pathogen upon subsequent exposure,leading to a faster and more intense secondary immune response. Therefore,memory cells are the key components responsible for the long-term protection associated with active acquired immunity.

Which cells are responsible for active acquired immunity?

Similar Questions

After maturation,in primary lymphoid organs,the lymphocytes migrate for interaction with antigens to secondary lymphoid organs like:
$A.$ thymus $B.$ bone marrow $C.$ spleen $D.$ lymph nodes $E.$ Peyer's patches
Choose the correct answer from the options given below:

The $D.P.T$ vaccine is an example of which type of immunity?

Which type of immunity has evolved in higher vertebrates?

$T-$lymphocytes mature in

The immunity developed in the body after recovering from a disease is:

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