Which of the following might occure after a helper T cell is presented with a processed antigen and interacts with a B cell?
A) Helper T cells destroy the presenting cell
B) Helper T cells produce antibodies
C) Helper T cells release interleukins that stimulate B cells to clone
D) Helper T cells stop division
E) Helper T cells lyse
Several days after an initial contact with an antigen, antibody titer increases. This is a
A) primer response
B) primary response
C) precipitatin response
D) principle response
E) cascade response
2007-03-21
02:13:09
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2 answers
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asked by
Anonymous
in
Science & Mathematics
➔ Biology