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In genetic engineering, the antibiotics ...

In genetic engineering, the antibiotics are used

A

As selectable markers

B

To select healthy vectors

C

As sequences from where replication starts

D

To keep the cultures free of infection

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The correct Answer is:
A
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CENGAGE BIOLOGY ENGLISH-BIOTECHNOLOGY:PRINCIPLES AND PROCESSES-ARCHIVES (Choose the correct option)
  1. The given figure is the diagrammatic representation of the E. coli vec...

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  2. Which one of the following is a case of wrong matching?

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  3. Biolistics (gene-gun) is suitable for

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  4. In genetic engineering, the antibiotics are used

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  5. The basis of DNA fingerprinting is

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  6. The figure below shows three steps (A, B, C) of Polymerase Chain React...

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

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  8. DNA fragments generated by the restric- tion endonucleases in a chemic...

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

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

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  11. In vitro clonal propagation in plants is characterized by

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  12. An analysis of chromosomal DNA using Southern hybridization technique ...

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

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  14. Which of the following is not a feature of the plasmids

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  15. The taq polymerase enzyme is obtained from

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  16. Which of the following is a restriction endonucleases?

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  17. Stirred - tank bioreactors have been designed for

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  18. A foreign DNA and plasmid cut by the same restriction endonuclease can...

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  19. Which of the following is not component of downstream processing?

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  20. Which of the following restriction enzymes produces blunt ends?

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