超星 - test 5 - 查题吧

判断题

Emerson's collection of essays Nature is considered as the rallying cry (集结号）or manifesto of Tanscendentalism in America.

A. 对
B. 错

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判断题

Transcendentalists emphasize the importance of Oversoul, individualism and harmonious relationship with nature.

A. 对
B. 错

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判断题

Henry David Thoreau's book Walden is based on his one-yearlife experienceon the shore of Walden Pond.

A. 对
B. 错

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单选题

Whichofthefollowingstatementsabouttheviralvectorsforgenetherapyiswrong?

Anumberofviruseshavebeenusedforhumangenetherapy,includingretroviruses,adenoviruses,herpessimplex,vaccinia, and adeno-associatedvirus.
B. Inordertoreplicate,virusesneverintroducetheirgeneticmaterialintothehostcell,trickingthehost'scellularmachineryintousingitasblueprintsforviralproteins.
C. Retrovirusesgoastagefurtherbyhavingtheirgeneticmaterialcopiedintothegenomeofthehostcell.
D. Likethegeneticmaterial(DNAorRNA)inviruses,therapeuticDNAcanbedesignedtosimplyserveasatemporaryblueprintthatisdegradednaturallyor(atleasttheoretically)toenterthehost'sgenome,becomingapermanentpartofthehost'sDNAininfectedcells.

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单选题

Whichofthefollowingstatementsaboutthenon-viralvectorsforgenetherapyiswrong?

A. Non-viralmethodspresentcertainadvantagesoverviralmethods,suchaslargescaleproduction&lesssafetyconcerns.
B. Methodsfornon-viralgenetherapyincludetheinjectionofnakedDNA,electroporation,thegenegun,sonoporation,magnetofection,theuseofoligonucleotides,lipoplexes,dendrimers,&inorganicnanoparticles.
C. Non-viralmethodsoftenproducehighlevelsoftransfectionandgeneexpression,&thusincreasetherapeuticefficacy.
D. Generallynon-viralmethodshavealowhostimmunogenicity.

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单选题