A. |
The presence of billions of complete
antibody genes in B cells |
B. |
The fact that both T cells and B cells
contain antibody genes |
C. |
The production of variable regions of light
and heavy antibody genes by DNA rearrangement
The combination of gene fragments
prior to binding antigen produces the variable coding
sequence for the antibody gene.
|
D. |
The fact that a single antibody gene produces
an antibody capable of billions of different three-dimensional
structures and the ability to combine with any antigen |