【单选题】原核生物复制需多种酶参与:1DNA聚合酶III;2DNA解旋酶;3DNA聚合酶I;4引物酶;5DNA连接酶。其作用顺序为:
【简答题】When the price of a good or service is dependent on future s (such as
price increases, volume discounts, and rebates) companies estimate the amount of
variable consideration using either the expe...
【单选题】Perfect competition arises if the ________ efficient scale of a single producer is ________ relative to the demand for the good or service.
【判断题】对于S7-1200来说,工作存储器最大也只有150kB
【判断题】点火系统由电脑控制称为电脑控制电子点火系统。