Which of the Following Statements Is Not Fundamental to the Clonal-

question 14

Multiple Choice

Which of the following statements is not fundamental to the clonal- selection theory of how the acquired immune system functions?

• A) Each lymphocyte has a unique membrane receptor that recognizes one antigen.
• B) Cloned cells descend from an activated lymphocyte and persist even after the pathogen is eliminated.
• C) When the lymphocyte binds an antigen, it is activated and begins dividing to form many identical copies of itself.
• D) Cloned lymphocytes have slight differences and are selected by the spleen for removal if they do not bind an antigen.

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