超星 - Test 18 - 查题吧

单选题

Genetically modified foods (GM foods), also known as genetically engineered foods (GE foods), or bioengineered foods are foods produced from organisms that have had changes introduced into their ________ using the methods of genetic engineering.

A. RNA
B. DNA
C. Protein
D. Chromosome

单选题

Herbert W. Boyer and Stanley Cohen created the first genetically modified organism (E. coli) in ______.

A. 1965
B. 1970
C. 1973
D. 1976

单选题

In ______, Rudolf Jaenisch of MIT created the first GM animal (mice).

A. 1968
B. 1972
C. 1974
D. 1978

单选题

Humans have domesticated plants and animals since around ________ BCE.

A. 18,000
B. 15,000
C. 12,000
D. 10,000

单选题

In ______, Paul Berg (1926-) at Stanford University created the first recombinant DNA molecule from different organisms. In conjunction with his studies of the tumor virus SV40, Berg succeeded in inserting DNA from a bacterium into the virus’ DNA. In 1980, Berg received a Nobel Prize in chemistry for this work.

A. 1960
B. 1964
C. 1968
D. 1972

单选题

In ______, the first genetically engineered plant was developed by Michael W. Bevan, Richard B. Flavell, and Mary-Dell Chilton.

A. 1975
B. 1978
C. 1981
D. 1983

单选题

In ______, scientists at the J. Craig Venter Institute in California, announced that they had created the first synthetic bacterial genome. They named it Synthia and it was the world's first synthetic life form.

A. 2005
B. 2008
C. 2010
D. 2013

单选题

The majority of research involving genetically modified mammals involves __________ with attempts to produce knockout animals in other mammalian species limited by the inability to derive and stably culture embryonic stem cells.

A. rats
B. mice
C. fish
D. rabbits

单选题

The majority of genetically modified animals are used in research to investigate changes in _____________ when specific genes are altered. This can be used to discover the function of an unknown gene, any genetic interactions that occur or where the gene is expressed.

A. genotype
B. phenotype
C. function
D. body size

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