Positive selection occurs when
A) cells become positive for either CD4 or CD8 by recognizing either the MHC class I or class II molecule
B) cells that recognize self-antigens are allowed to live
C) cells that recognize self-antigens undergo apoptosis
D) none of the above
Correct Answer:
Verified
Q1: To measure T-cell response to a particular
Q2: The cells that steer the immune response
Q3: Inflammatory cytokines include the following
A)IL-2, GM-CSF
B)IL-4, IL-10
C)IL-1,
Q4: The cells that steer toward an antibody
Q5: If I want to downregulate the immune
Q7: Negative selection in the thymus occurs
A)when the
Q8: Which of these promotes IgE production?
A)IL-1
B)IL-2
C)IL-3
D)IL-4
E)A and
Q9: Which of these causes proliferation of certain
Q10: X-linked severe combined immunodeficiency disorder is due
Q11: Negative selection occurs when
A)cells become positive for
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