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With respect to DNA fragmentation Stat...

With respect to DNA fragmentation
Statement A: Gel electrophoresis and elution are two important processes
Statement B : After staining with ethidium bromide, it has to be exposed to UV light

A

Only A is correct

B

Both A and B are correct statements

C

Only B is correct

D

Only A is correct and B is incorrect.

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The correct Answer is:
B
Both A and B are correct statements
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With respect to DNA fragmentation: Statement A : Gel electrophoresis and elution are two important processes. Statement B : After staining with ehidium bromide it has to be exposed to UV light.

Assertion : Gel electrophoresis and elution are two important processes. Reason : After staining with ethidium bromide it has to be exposed to U.V light.

Which colour would you find in DNA strands after stain- ing with Ethidium bromide in the presence of UV light ?

A mixture of fragmented DNA was electrophoresed in an agarose gel. After staining the gel with ethidium bromide, no DNA bands were observed. What could be the reason?

DNA strands on a gel stained with ethidium bromide when viewed under UV radiation, appear as:

DNA strands on a gel stained with ethidium bromide when viewed under UV radiation, appear as:

The separated DNA fragment after electrophoresis is observed by treating with ethidium bromide by exposed in u - V radiaiton which give rise

MODERN PUBLICATION-BIOTECHNOLOGY : PRINCIPLES AND PROCESSES -COMPETITION FILE ( OBJECTIVE TYPE QUESTION ( A. MULTIPLE CHOICE QUESTIONS ( MCQs):)
  1. 'YAC'' refers to :

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

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  3. Which enzyme cuts DNA at specific sites?

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

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  5. Restriction endonucleases

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

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

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  8. Which of the following restriction enzymes produces blunt ends

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

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

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  11. Which of the following is not required for any of the techniques of DN...

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  12. Which of the following is a restriction endonuclease ?

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

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  14. The taq polymerase enzyme is obtained from

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  15. Which of the following r-RNAs acts as structural RNA as well as ribozm...

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  16. Stirred-tank bioreactors have been designed for :

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  17. The DNA fragments separated on an agarose gel can be visualised after ...

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  18. Which of the following are not polymeric

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  19. Which of the following is commonly used as a vector for introducing a ...

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  20. Following statements describe the characteristics of the enzyme Restri...

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