During its development, each B cell has how many attempts to make a productive gene rearrangement coding for a functional immunoglobulin before the cell undergoes apoptosis?
Select your answer:
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Other quiz:Diet › View
Define the term ‘balanced diet’.
A. A diet containing some nutrients in the correct proportions.
B. A diet containing most nutrients in the correct proportions.
C. A diet containing none nutrients in the correct proportions.
D. A diet containing all nutrients in the correct proportions.
Bone Shapes & Long Bone Anatomy › View
What are the expanded ends of a long bone called?
C. Spongy Bone
D. Compact Bone