题型:单项选择题 A1型题 关于反转录酶的叙述错误的是()A.反转录酶能催化RNA指导的DNA的合成反应B.反转录酶能催化RNA的水解反应C.反转录酶能催化DNA指导的DNA的合成反应D.反转录酶具有3'→5'外切酶活性和校读功能E.可以利用反转录酶将mRNA反转录成cDNA用以获得目的基因 查看答案
题型:单项选择题 According to the crowding-out model, persistent, large government budget deficits are most likely to be associated with a(n);()A. increase in net exports.B. decrease in private spending.C. decrease in the real rate of interest. 查看答案