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In genetic engineering, the antibiotics ...

In genetic engineering, the antibiotics are used

A

As sequences from where replicaton starts

B

To keep the cultures free of infection

C

As selectable markers

D

To select healthy vectors

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The correct Answer is:
B
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MOTION-BIOTECHNOLOGY : PRINCIPLES AND PROCESSES-EXERCISE -3
  1. DNA or RNA segment tagged with a radioative molecule is called

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  2. Which one of the following represents a palindromic sequence in DNA ?

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  3. In genetic engineering, the antibiotics are used

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  4. Biolistics (gene-gun) is suitable for

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  5. Tobacco plants resistant to a nematode have been developed by the in...

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  6. The first clinical gene therapy was given for treating :

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  7. The colonies of recombinant bacteria appear white in contrast to blue ...

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  8. DNA fragments generated by the restriction endonucleases in a chemical...

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  9. An analysis of chromosomal DNA using the Southern hybridization techni...

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  10. Which vector can clone only a small fragment of DNA

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  11. The first human hormone produced by recombinant DNA technology is :

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  12. Bt-cotton has which of the following special feature ?

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  13. The crops engineered for glyphosate are resistant/tolarant to

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  14. In Bt cotton, the Bt toxin present in plant tissue as pro-toxin is con...

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  15. which body of the government of india regulates GM reserch and safety ...

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  16. The DNA molecule to which the gene of interest is integrated for cloni...

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  17. The cutting of DNA at specific locations became possible with the disc...

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  18. Golden rice is a genetically modified crop plant where the incorporat...

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  19. The introduction of t-DNA into plants involves

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  20. The two polypeptides of human insulin are linked together by

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