由某一基因表达后,对另一基因转录进行调控的是()
A.顺式作用因子
B.反式作用因子
C.反式作用DNA
D.顺式作用元件
E.反式作用元件
参考答案:B
假帐的成因有()。
A.错误
B.舞弊
C.会计制度的缺陷
D.货币贬值
A monopolist will expand production until:()
A. P = MC and the price of the product will be determined by the MC curve.
B. MR = MC and the price of the product will be determined by the demand curve.
C. P = MR and the price of the product will be determined by the ATC curve.