Adaptive immunity is sometimes also called acquired immunity. which of the following statements provides a basis for the alternative name? a) lymphocytes of the adaptive immune system are highly specific for a single antigenic determinant. b) activated lymphocytes produce daughter cells that are identical in specificity and function. c) to become activated, lymphocytes require exposure to the antigenic determinant for which they are specific. d) activated lymphocytes may persist for years in the body. e) lymphocytes reactive to normal body components are removed.

Option (C).

Explanation:

Adaptive immunity or acquired immunity can be defined as a type of immunity. The cells, which are involved in adaptive immune responses include T cells and B cells (collectively known as lymphocytes).

It is known as acquired immunity because it is developed by activation of T cells and B cells after getting exposure with antigens as from natural pathogens or vaccines. The activated cells then provide response against the pathogens by producing antibodies and cytokines.  

Thus, the correct answer is option (C).

answer: proteins

explanation: complement is   system of circulate in the blood in a inactive form

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