The complete second signal for B cell activation requires which of the following interactions?

A) CD40-CK40L interaction
B) cytokine-cytokine receptor interaction
C) TH-B cell interaction
D) All of these are necessary.


Answer: D

Biology & Microbiology

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a. Hydrozoa b. Scyphozoa c. Trematoda d. Cubozoa e. Anthozoa

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Answer the following statement true (T) or false (F)

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Biology & Microbiology