【单选题】( ) is a layer of membrane wrapped, containing a variety of acidic hydrolases of vesicular organelles. The main function is digest foreign matter, bacteria, or lost functioning organelles in cells.
【单选题】甲氧苄啶( TMP)由于下列哪种原因常与磺胺甲噁唑(SMZ)合用
【单选题】Decide the type of the following outline. Topic: Say "No" to Plastic Surgery Thesis: Plastic surgery should not be encouraged because it is harmful to one's body and mind. Outline: I. Plastic surgery ...
【简答题】The source of the pressure for operating the airspeed indicator, the vertical speed indicator, and the altimeter is the pitot-static system. The major components of the pitot-static system are the imp...
【简答题】Cotton is graded on the basis of color, staple length, fineness (), and from foreign matter ().
【多选题】关于磺胺类药物的叙述正确的是()
A.
偶氮染料百浪多息可认为是第一个磺胺类药物的生物前体药物;
C.
磺胺类药物的作用机制是与细菌生长所必需的对氨基苯甲酸竞争二氢叶酸合成酶,生成无功能的伪二氢叶酸,从而抑制细菌的生长繁殖。
D.
复方新诺明的基本成分是磺胺甲噁唑和甲氧苄啶,其中甲氧苄啶是细菌二氢叶酸还原酶抑制剂,抑制四氢叶酸合成,是磺胺类药物的增效剂。
【单选题】The mind is but a barren soil; a soil which is soon exhausted and will produce no crop, or only one, unless it be continually fertilized and enriched with foreign matter.
【判断题】在传统发动机横置前驱的燃油汽车上把发动机换为电动机,将变速器换为多级主减速器,并将这个多级主减速器和差速器集成为一个整体,两根半轴连接驱动车轮,这种结构在电动轿车上应用最普遍。
【单选题】装饰内墙粉刷脚手架清单工程量按内墙的( )计算,不扣除门窗洞口的面积。