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In genetic engineering, the antibiotics ...

In genetic engineering, the antibiotics are used

A

To keep the cultures free of infection

B

As selectable mrarkers

C

To select healthy vectors

D

As sequences from where replication starts

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The correct Answer is:
B
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AAKASH INSTITUTE-BIOTECHNOLOGY-PRINCIPLES AND PROCESSES-ASSIGNMENT SECTION-C (Previous Years questions )
  1. The figure below is the diagrammatic representation of the E.coli vect...

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  2. Biolistics (gene-gun) is suitable for

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  3. In genetic engineering, the antibiotics are used

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  4. The figure below shows three steps (A , B, C) of polymerase chain reac...

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

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  6. There is a restriction endonuclease called EcoRI. What does 'co' part ...

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  7. Given below is a sample of a protein of DNA strand giving the base seq...

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  8. Which one of the following techniques made it possible to gnetically e...

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  9. Continous addition of sugars in 'fed batch' fermentation is done to

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  10. Agarose extracted from sea weeds finds use in

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  11. Which one of the following is used as vector for cloning genes into hi...

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  12. Which one of the following palindromic base sequences in DNA can be ea...

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  13. Restriction endonucleases are enzymes which:

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  14. Stirred-tank bioreactors have been designed for

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  15. Which is used in gene cloning

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  16. In genetic engineering, a DNA segment (gene) of interest, is translate...

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  17. Gel electrophoresis is used for

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  18. The linking of antibiotic resistance gene with the plasmid vector beca...

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  19. Restriction endonuclease -

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  20. Two microbes found to be very useful in genetic engineering are :

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