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Restriction enzymes are used in genetic ...

Restriction enzymes are used in genetic engineering because

A

They can join different DNA fragments

B

They can cleave DNA at a specific target

C

They are nucleases that cut DNA at variable sites

D

They are proteolytic enzymes which can degrade harmful enzymes

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The correct Answer is:
B
Restriction enzymes are used in genetic engineering because they can cleave DNA at a specific target
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A2Z-BIOTECHNOLOGY: PRINCIPLES AND PROCESSES-Section C: PREVIOUS YEARS' EXAMINATION QUESTIONS (AIIMS Question)
  1. Bioreactor is a vessel/device in which

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  2. Which of the following is not correctly matched for the organsim and i...

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  3. Restriction enzymes are used in genetic engineering because

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  4. The toxic protein produced by the Bacillus thuringiensis

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  5. The DNA molecule to which the gene of interset is integrated for cloni...

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  6. The introduction of T-DNA into plants involves

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

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  8. Isolation of DNA from a fungal cell involves the use of enzyme

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  9. Which of the following is not a feature of the plasmids ?

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  10. Which of the following is a restriction endonuclease ?

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  11. Stirred-tank bioreactors have been designed for

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  12. A foreign DNA and plasmid cut by the same restriction endonculease can...

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  13. Which of the following is not a component of down stream processing ?

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

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

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  16. The process of separation and purification of expressed protein before...

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  17. A gene whose expression helps to identify transformed cell is known as

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  18. What is the criterion for DNA fragments movement on agarose gel during...

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  19. The correct order of steps in Polymerase Chain Reaction (PCR) is

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  20. In genetic engineering, which of the following is used ?

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