下列基因调控元件中属于反式调控元件的是() ["A、阻遏蛋白","B、启动子","C、操作子","D、终止子","E、增强子"]
启动子的特征之一是() ["A、GC富积区","B、TATABox","C、转录起始位点","D、长度平均1kb","E、含有某些稀有碱基"]
强化基因转录的元件是() ["A、密码子","B、复制子","C、启动子","D、内含子","E、外显子"]
cDNA第一链合成所需的引物是() ["A、PolyA","B、PolyC","C、PolyG","D、PolyT","E、发夹结构"]
鸟枪法克隆目的基因的战略适用于() ["A、原核细菌","B、酵母菌","C、丝状真菌","D、植物","E、人类"]
《武经七书》是指:《孙子》、《吴子》、《司马法》、《()》、《六韬》、《三略》、《李卫公问对》。