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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
As selectable markers
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MODERN PUBLICATION-BIOTECHNOLOGY : PRINCIPLES AND PROCESSES -COMPETITION FILE ( OBJECTIVE TYPE QUESTION ( A. MULTIPLE CHOICE QUESTIONS ( MCQs):)
  1. Tobacco plants resistant to a nematode have been developed by the in...

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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. In biotechnical processes cDNA is prepared from:

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

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  6. It is normally a rare cancer but became a marker for AIDS/HIV patients

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  7. Cohen and Boyer isolated an antibiotic resistance gene, by cutting out...

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  8. Restriction enzyme Eco RI cuts the DNA between bases G and A only when...

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  9. Amplification of gene of interest by using DNA polymerase may go upto

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  10. In a genetic engineering experiment restriction enzymes can be used fo...

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  11. Which of the following is used to select genes of interest from a geno...

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  12. 'YAC'' refers to :

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  13. During amplification of gene using PCR Taq polymerase is used between:

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  14. Which enzyme cuts DNA at specific sites?

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

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  16. Restriction endonucleases

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  17. A desirable change in genotype of an organism is obtained by

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  18. With respect to DNA fragmentation Statement A: Gel electrophoresis a...

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  19. Which of the following restriction enzymes produces blunt ends

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  20. The mechanism that causes a gene to move from one linkage group to ano...

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