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Braca643 Braca643
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Posts: 336
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6 years ago
When in its life cycle does a B cell first exhibit its particular surface antigen receptor?
A) after the memory cell giving rise to it divides
B) before it ever encounters an antigen
C) after it encounters several antigens
D) after it encounters a single antigen
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wrote...
6 years ago
 B
Braca643 Author
wrote...
6 years ago
Genius!!!!!!
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