研究所、轉學考(插大)-普通生物學題庫下載題庫

7. Clonal selection is an explanation for how_________.
(A) V, J, and C gene segments are rearranged
(B) an antigen can provoke production of high amounts of specific antibodies
(C) HIV (human immunodeficiency virus) can disrupt the immune system
(D) macrophages can recognize specific T cells and B cells