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Home Q & A Board Biology-Related Homework Help General Biology
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bekah02 bekah02
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Posts: 530
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6 years ago
Arrange the steps of antibody-mediated immunity in the proper order.
  1) Plasma cells secrete antibodies.
  2) Helper T cells interact with B cells displaying the same antigen-MHC complex.
  3) Contact with antigen.
  4) Clones of B cells produced.
  5) Fragmentation of antigen.
 
  a. 3, 2, 5, 1, 4
  b. 3, 5, 2, 4, 1
  c. 1, 3, 5, 2, 4
  d. 4, 3, 2, 1, 5
  e. 5, 3, 4, 2, 1

Question 2

Which immune system component has a principal role in the curve labeled D on the graph?
 
  a. IgM
  b. IgA
  c. cytotoxic T cells
  d. memory cells
  e. NK cells
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wrote...
#1
6 years ago
Answer to q. 1

B

Answer to q. 2

D
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