关于生物膜系统的叙述,正确的是(      )  A.生物膜系统广阔

关于生物膜系统的叙述,正确的是(     

 A.生物膜系统广阔的膜面积为多种化学反应所需的酶提供附着位点

  B.各种生物膜化学组成和结构完全相同

  C.生物膜系统由细胞器膜和细胞膜组成

    D.各种细胞器膜在结构上都是各自独立的

答案

A

相关题目

8. 下列一定不具有活性的细胞是 A.用健那绿对线粒体染色30min
8. 下列一定不具有活性的细胞是 A.用健那绿对线粒体染色30min的细胞     B.经盐酸和龙胆紫溶液处理的根尖细胞 C.用于观察叶绿体和细胞质流动的黑藻
亚当·斯密提出了著名的“自然秩序”“社会分
亚当·斯密提出了著名的“自然秩序”“社会分工”与“看不见的手”等有关社会上各种利益相互协调的论述,在他看来追求个人
________, he also had a son in college who had taken a bank loan to pay for his
________, he also had a son in college who had taken a bank loan to pay for his studies.    A. Make matters worse               B. What worse    C. To make matters worse       
下列药品中,不需要密封保存的是 A.白磷            
下列药品中,不需要密封保存的是 A.白磷              B.石灰水        C.浓硫酸         D.大理石
有一分子式为C8H14N2O5的二肽,经水解后得到α丙氨酸和另一种
有一分子式为C8H14N2O5的二肽,经水解后得到α丙氨酸和另一种氨基酸X,X的分子式可能是(  )A.C3H7NO3                                   
-------There were already five people in the car but they managed to take me as
-------There were already five people in the car but they managed to take me as well . ------- It ______ a comfortable journey . A. can’t be B. shouldn’t be C. mustn’t have been D. couldn’t ha
为了开展研究性学习,同学们搜集了以下图片资料。这些资
为了开展研究性学习,同学们搜集了以下图片资料。这些资料反映的学习主题是A.大跃进B.三大改造C.文化大革命 D.改革开放
Only _____ as an interpreter _____ how important it was to practise speaking Eng
Only _____ as an interpreter _____ how important it was to practise speaking English. A. when did I work…I realized B. when did I work…did I realize C. when I work…did I realize D. when I worked

最新题目