MCQOPTIONS
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| 1. |
Junctional diversity of antibody molecules results from |
| A. | the addition of switch region nucleotides |
| B. | the addition of N and P nucleotides |
| C. | the joining of V, D and J segments |
| D. | mutations in complementarity-determining regions |
| Answer» C. the joining of V, D and J segments | |