Which of the Following Is Not True of the Antigen-Independent

question 21

Multiple Choice

Which of the following is not true of the antigen-independent period of lymphocyte development?

• A) Lymphocytes with specificity for self are destroyed.
• B) Mature lymphocytes populate lymphatic organs and encounter antigens.
• C) Many lymphocytes with different specificities are formed.
• D) Random genetic rearrangements occur to produce different surface protein receptors.
• E) Lymphocytes form from stem cells in the bone marrow.

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Economies characterized by low income, limited industrialization, and moderate to high population growth. These economies are in the process of experiencing significant structural changes and economic development.

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