Visualization of B-cell traffic between the light and dark zones of the germinal center has shown that they migrate far less than had been predicted. This demonstrates that
A. The traditional model of trafficking is inaccurate.
B. The rate of hypermutation and selection does not require extensive movement.
C. Only brief contacts by the B cells with helper T cells are needed.
D. Both B and C.
E. All of the above.
D
Health & Biomechanics
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Indicate whether the statement is true or false
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The interaction of two or more drugs at the same receptor site in which one blocks the action of the other is
A) antagonism. B) synergism. C) intolerance. D) cross-tolerance.
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List four exercises in the text that stretch the shoulder girdle
What will be an ideal response?
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Briefly describe the recent legal history of abortion in the United States.
What will be an ideal response?
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