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.
Correct Answer:
Verified
Q11: Lymphocyte maturation involves
A)hormonal signals that initiate development.
B)B-cells
Q15: Helper T cells _.
A) secrete antibodies
B) suppress
Q16: The region of each antibody molecule where
Q17: The antibody-secreting progeny cells of a B-cell
Q18: Destruction of lymphocytes with self-specificity is called
Q21: The immunoglobulin class that has a dimer
Q22: The molecular fragment on an antigen molecule
Q23: During presentation of APC-bound antigen, macrophages and
Q24: Which process involves antibodies covering surface receptors
Q25: Which immunoglobulin class/es can ?x complement?
A) IgM
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