【单选题】下列关于蛋白质工程的叙述,不正确的是 [ ]
A.
实施蛋白质工程的前提条件是了解蛋白质结构和功能的关系
D.
蛋白质工程是在基因工程的基础上延伸出来的第二代基因工程
【多选题】In this video, linking words and phrases are divided into three categories, and they are:
【单选题】患儿女,1周,因呕吐、腹泻轻度脱水,在实际补液中,对患儿腹泻丢失体液引起脱水的补液量总计为
【单选题】下列哪一项不是测定蛋白质一级结构的必需条件
【单选题】In general, words can be divided into two groups, they are ______ words.
D.
single-morpheme; compound
【判断题】水中活动时,已感有寒意时,或将有抽筋现象时,应登岸休息。()
【单选题】Which of these words is nearest in meaning to the words "are divided" in Paragraph 2?