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The recent Genome Wars were symbolic of _____.[A] the enthusiasm in scientific rese

The recent Genome Wars were symbolic of _____.

[A] the enthusiasm in scientific research

[B] the significance of the space race

[C] the public versus private conflict

[D] the prospect of the completion of DNA sequence

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更多“The recent Genome Wars were symbolic of _____.[A] the enthusiasm in scientific rese”相关的问题

第1题

Passage Two Modern humans emerged some 250,000 years ago, yet agriculture is a fairly
recent invention, only about 10,000 years old. Many crop plants are rather new additions to our diet: broccoli (a flowering mutant of kale) is thought to be only 500 years old. Most innovation is far more recent still. Although Austrian monk Gregor Mendel's pea plant experiments quietly laid the basic foundations of genetics in the mid-19th century, his work was rediscovered and applied to crop breeding only at the beginning of the 20th century. Further advances have steadily accumulated. The 1940s saw the identification of DNA as genetic material and the adoption, by commercial breeders, of genetic modification - typically by applying chemicals or radiation to DNA to try to make plants with advantageous characteristics. The modifications ultimately led to the green revolution of the 1960s and 1970s, during which time global wheat yields tripled. The 1980s and 1990s saw the commercial adoption of agricultural biotechnology, which has allowed breeders to introduce specific genes into crops from the same or different species. In 2004 the first plant genome was fully sequenced, and since then the number of plant gene sequences in GenBank, the public repository for gene sequence information, has been doubling every two years. Our knowledge is increasing exponentially, as it has been in other fields such as semiconductors and cellular telephony. Our challenge is to increase agricultural yields while decreasing the use of fertilizer, water, fossil fuels and other negative environmental inputs. Embracing human ingenuity and innovation seems the most likely path. Plants did not evolve to serve humans, and their sets of genes are incomplete for our purposes. The integral role of modifying genes is obvious to all breeders, though sometimes painfully absent from the public's understanding of how modern agriculture succeeds. All breeding techniques, from before Mendel's time until today, exploit modifications to plant DNA. These modifications can take the form. of mistakes or mutations that occur during natural cell division in the wild; the natural but random movement of DNA sequences from one part of a plant's genome to another; or the more precise insertion of known gene sequences using biotechnology. In all these cases, plant genes are moved within or across species, creating novel combinations. Hybrid genetics - the combination of different versions of the same gene – has resulted in spectacular yield increases. Largely as the consequence of using hybrid seed varieties, corn yields in the U.S. have increased more than 500 percent in the past 70 years. Questions 6-10 are based on Passage Two.

(1)Which statement is correct according to paragraph one?

A、Broccoli was first bred by Mendel

B、Broccoli wasn’t considered edible until 500 years ago

C、Mendel's work was considered most important in the history of genetics

D、Mendel’s study found its major application some 100 years ago

(2)What was cited as a result of the green revolution?

A、Sharp rise in worldwide wheat production

B、Extensive use of organic fertilizer

C、Large-scale adoption of genetic modification

D、Commercial success of genetically modified seeds.

(3)Which statement is true of GenBank according to the passage?

A、The number of gene sequences has doubled since its foundation

B、The commercial breeders are its main sponsors

C、It is a genetic sequence database

D、It was founded in 2004

(4)It can be learned from the passage that the significance of genetic modification is ______.

A、questioned by some critics

B、poorly conveyed to the public

C、appreciated by all breeders

D、fully understood only by scientists

(5)The word “novel” in paragraph three is closest in meaning to ______.

A、artificial

B、various

C、hybrid

D、new

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第2题

Which belong to the second generation genome sequencing platform?
A.Roche/454 FLX

B.Illumina/Solexa Genome Analyzer

C.PacBio

D.SOLID system

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第3题

98、NCBI的Genome数据库中ANMV-1 virus包含()个蛋白质。
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第4题

With the continuingccomplishments of the humn genome project,mbitious strtegies to iWith t
he continuingccomplishments of the humn genome project,mbitious strtegies to identify DN sequences thtre importnt in mmmlin gene regultionre becoming incresingly______.stellr B.fesible C.prominent D.intrusive E.utile

A.stellar

B.feasible

C.prominent

D.intrusiv

E.utile

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第5题

If the genome size is small, then sequencing of the entire genome is ___________

A.easy

B.difficult

C.independent of the size of genome

D.not possible

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第6题

6、以下哪个是基因组数据库

A.UniProt

B.Ensembl

C.Genome Data Viewer

D.UCSC Genome Browser

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第7题

6、以下哪个是基因组数据库

A.UniProt

B.Ensembl

C.Genome Data Viewer

D.UCSC Genome Browser

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第8题

基因组组装包含以下哪几种基本策略()

A.BAC-by-BAC

B.Whole genome shotgun

C.二代测序

D.三代测序

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第9题

34、不能下载到基因组序列的数据库为

A.GEO

B.UCSC genome

C.NCBI genome

D.Ensembl

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第10题

下列软件中,用于Hi-C辅助基因组组装的软件是

A.LACHESIS

B.HiCPlotter

C.3D Genome Browser

D.HiC-3DViewer

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