对细胞核激素受体的描述哪项有错:
A.主要存在于细胞核上B.作用是调节某些特殊基因转录C.在细胞核中产生作用D.激素是转录因子的调控物E.本质上属于转录因子
参考答案:A
---What did Kincaid say just now?
---He said he ________ a dog if he hadn’t been away from home too much.
A.had had
B.had
C.would have
D.would have had
终板电位属于______
A.动作电位B.阈电位C.局部电位D.静息电位E.后电位