Multiple Choice
Why is crosslinking of BCRs important for B cell activation?
I. Crosslinking of BCRs allows for antigen presenting cells to bind to B cells
II. Crosslinking of BCRs must occur before the BCRs can bind to their matching antigen
III. Crosslinking of BCRs properly positions signaling molecules to carry the signal deeper into the cytoplasm
A) I only
B) III only
C) I and II
D) II and III
E) I, II, and III
Correct Answer:

Verified
Correct Answer:
Verified
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