细胞工程复习资料细工程复习资料.doc

细胞工程复习资料 选择题 (10×1分) 10% RNA interference (RNAi) refers to a phenomenon that inhibits expression of genes homologous to that . （ B ） A: single-stranded DNA, ssDNA B: double-stranded RNA, dsRNA C: single-stranded RNA, ssRNA D: double-stranded DNA, dsDNA 2、The Nobel Prize in Physiology or Medicine for 2007 was awarded jointly to Mario R. Capecchi, Martin J. Evans and Oliver Smithies, for their discoveries of（ A ） A: principles for introducing specific gene modifications in mice by the use of embryonic stem cells B: the bacterium Helicobacter pylori and its role in gastritis and peptic ulcer disease C: RNA interference - gene silencing by double-stranded RNA D: human papilloma viruses and human immunodeficiency virus The Nobel Prize in Physiology or Medicine for 2009 was awarded to scientists Elizabeth H. Blackburn, Carol W. Greider, and Jack W. Szostak for their work in the discovery of （ B ） . A．principles for introducing specific gene modifications in mice by the use of embryonic stem cells B．how chromosomes are protected by telomeres and the enzyme telomerase C．RNA interference - gene silencing by double-stranded RNA D．human papilloma viruses and human immunodeficiency virus 4、Which of the following has been linked to cervical cancer?（ D ） A .prion B.Influenza A virus C.Human immunodefficiency virus D.Human papilloma virus 5、贴壁型细胞附着在某一固相支持物表面才能生长，贴壁后呈现特定的形态特征。如图所示的细胞类型称为 （ C ） A:成纤维细胞型 B:游走细胞型 C:上皮型细胞 D:多型细胞型 关于动物细胞培养要使用血清，下列说法正确的是（ C ）。 A:血清使用前必须灭活 B:到目前为止，所有动物细胞培养都需要使用血清 C:血清中含有抗蛋白酶成分,起到中和作用,可以用血清来终止胰蛋白酶的消化 D:血清的使用有利于实验和生产的标准化 7、目前，全球已有大约多少人通过体外受精技术出生？（ C ） A.4万 B.40万 C.400万 D.4000万 8、What is a stem cell? ( A ) A: A cell that can make copies of itself AND make more specialized types of cell B: A cell that helps to fight against infections C: A cell that is specialized D: A cell that can produce all the cell types of the Body 9、Where can scientists obtain stem cells?( D ) A: