Which of the following is not true of the antigen-independent period of lymphocyte development?
A) Lymphocytes form from stem cells in the bone marrow.
B) Random genetic rearrangements occur to produce different surface protein receptors.
C) Mature lymphocytes populate lymphatic organs and encounter antigens.
D) Lymphocytes with specificity for self are destroyed.
E) Many lymphocytes with different specificities are formed.
Correct Answer:
Verified
Q3: Plasma cells
A)secrete antibodies.
B)function in allergic reactions.
C)directly destroy
Q3: Cell surface markers involved in immune reactions
A)are
Q7: The monomer subunit of immunoglobulin molecules has
Q8: Properties of effective antigens include all of
Q9: Destruction of lymphocytes with self-specificity is called
A)clonal
Q10: MHC molecules are found on all of
Q13: What type of cells secrete antibodies?
A)memory B
Q13: Lymphocyte maturation involves
A)hormonal signals that initiate development.
B)B
Q14: Class I MHC genes code for
A)certain secreted
Q20: Lymphocytes
A)possess MHC antigens for recognizing self.
B)have membrane
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