Respond to the English sentences with their Chinese interpretation.
查看答案
For secondary response, which of the following statements is wrong?
A. It mainly produces IgG with high affinity.
B. The antibody concentration increases rapidly.
C. The plateau phase is long.
D. It require higher dose of antigen to induce response.
E. It has shorter lag period.
The molecules involved in the first signal of B cell activation do not include
A. BCR
B. CD79a/CD79b
CD19
D. CD21
E. CD40
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