正在加载图片...
中蛋白质合成的旺盛程度有关。( a Nuclear degeneration 3.将同步生长的M期细胞与同步生长的S期 b Growth of the smooth er 细胞融合,除了见到正常的染色体外,还可 c Increased lysosomes 见到细线状的染色体。() d Growth of rough ER 4.在有丝分裂后期,通过对周期蛋白的遍在 e. None of the above 蛋白多聚化,介导周期蛋白被蛋白酶体降2. Which of the follow ing proteins would not 解,从而退出M期。() be found in the smooth 核纤层是由核纤层蛋白A、核纤层蛋白B 和核纤层蛋白C构成的,其中只有核纤层 蛋白A与内核膜相连,核纤层蛋白B和C 则与染色质相连。() 6.在细胞周期中,如果纺锤体装配不正常, 则被阻止G2期。 7.结合有核糖体的内质网被称为粗面内质 microsomes can't be seen in cells viewed 网,脱去核糖体的内质网则称为光面 with the electron microscope? 质网。() a. They are far too small 8.同源异型框是一类同源异型基因表达产物 ney are artifacts of 中60个氨基酸的保守序列,它的突变 homogenization and centrifugation 可以改变发育的方向。() c. They are transparent to electrons 9.叶绿体的核酮糖二磷酸羧化酶是由16个 d. They actually can be seen in 亚基组成的聚合体,其中8个大亚基是核 electron micrographs of cells 基因编码的。( 4. If you compared the proteins in a cis 10.有丝分裂器中有三种类型的纺锤体微管 Golgi compartment with those in a 其中星微管的可能作用是给核分裂传 Golgi compartment, you would 递信号。() 11.在减数分裂过程中,染色体间发生的分子 a. the proteins in the two compartments 重组是随机发生的。() are identical b the proteins in the cis compartment are 三、选择题请将正确答案的代号填入括号,每 glycosylated and contain 题1分,共15分) dified amino ac ids. whereas those 1. Ethyl al cohol is detoxin ied in the liver. You in the trans compartment are not would expect alcohol to have which of modified the following effects on liver cells? c the proteins in the cis compartment are glycosylated, whereas those in the2 中蛋白质合成的旺盛程度有关。( ) 3. 将同步生长的M 期细胞与同步生长的S 期 细胞融合,除了见到正常的染色体外,还可 见到细线状的染色体。( ) 4. 在有丝分裂后期,通过对周期蛋白的遍在 蛋白多聚化,介导周期蛋白被蛋白酶体降 解,从而退出 M 期。( ) 5. 核纤层是由核纤层蛋白 A、核纤层蛋白 B 和核纤层蛋白 C 构成的,其中只有核纤层 蛋白 A 与内核膜相连,核纤层蛋白 B 和 C 则与染色质相连。( ) 6. 在细胞周期中,如果纺锤体装配不正常, 则被阻止 G2期。 7. 结合有核糖体的内质网被称为粗面内质 网,脱去核糖体的内质网则称为光面内 质网。( ) 8. 同源异型框是一类同源异型基因表达产物 中 60 个氨基酸的保守序列, 它的突变 可以改变发育的方向。( ) 9. 叶绿体的核酮糖二磷酸羧化酶是由 16 个 亚基组成的聚合体, 其中8 个大亚基是核 基因编码的。( ) 10. 有丝分裂器中有三种类型的纺锤体微管, 其中星微管的可能作用是给核分裂传 递信号。( ) 11. 在减数分裂过程中,染色体间发生的分子 重组是随机发生的。( ) 三、选择题(请将正确答案的代号填入括号,每 题1分,共15分) 1. Ethyl alcohol is detoxified in the liver. You would expect alcohol to have which of the following effects on liver cells? ( ) a. Nuclear degeneration b. Growth of the smooth ER c. Increased lysosomes d. Growth of rough ER e. None of the above 2. Which of the following proteins would not be found in the smooth endoplasmic reticulum?( ) a. Ca2+ -pumping enzymes b. cytochrome P450 c. glucose 6-phosphatase d. signal peptidase 3. Which of the following explains why microsomes can't be seen in cells viewed with the electron microscope?( ) a. They are far too small. b. They are artifacts of homogenization and centrifugation. c. They are transparent to electrons. d. They actually can be seen in electron micrographs of cells. 4. If you compared the proteins in a cis Golgi compartment with those in a trans Golgi compartment, you would find: ( ) a. the proteins in the two compartments are identical. b. the proteins in the cis compartment are glycosylated and contain modified amino acids, whereas those in the trans compartment are not modified. c. the proteins in the cis compartment are glycosylated, whereas those in the
<<向上翻页向下翻页>>
©2008-现在 cucdc.com 高等教育资讯网 版权所有