MCQOPTIONS
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| 1. |
When a B-cell undergoes immunoglobulin class switching |
| A. | the variable region of the light chain changes, but its constant region remains the same |
| B. | the variable region of the light chain remains the same, but its constant region changes |
| C. | the variable region of the heavy chain remains the same but its constant region changes |
| D. | the variable region of the heavy chain changes but its constant region remains the same |
| Answer» D. the variable region of the heavy chain changes but its constant region remains the same | |