Multiple Choice
The B-cell co-receptor is composed of
A) Igα; Igβ; CD19
B) Igα; Igβ; Lyn tyrosine kinase
C) CR2 (CD21) ; CD19; CD81
D) CD14; CD19; CD81
E) CD40; MHC class II; CED19.
Correct Answer:

Verified
Correct Answer:
Verified
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