下图表示人体和人体细胞内某些信息传递机制的模式图,图示中箭头

下图表示人体和人体细胞内某些信息传递机制的模式图,图示中箭头表示信息传递方向。下列有关的叙述中,正确的是(    )

A.如果该图表示一个完整的反射弧,则a表示感受器,b表示神经中枢,c表示效应器,且其中的信息以局部电流的形式由a传到c

B.如果a表示抗原,b表示吞噬细胞和T细胞,c为B细胞,则该过程表示细胞免疫

C.如果该图表示细胞中的遗传信息传递信息的表达过程,则d过程只发生在细胞核中

D.如果该图中a为下丘脑,b为垂体,c为甲状腺,则c分泌的激素过多对于a分泌d,b分泌e均具有抑制作用

答案

D

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