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The cutting of DNA at specific locations...

The cutting of DNA at specific locations became possible with the discovery of :

A

Ligases

B

Restricition enzymes

C

Probes

D

Selectable markers

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The correct Answer is:
C
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Read the following five statements (A to E) and select the option with all correct statements : The cutting of DNA at specific locations became possible with molecular scissors'-restriction enzymes. Palindromes are groups of letters that form the same words read both forward and backward. Sexual reproduction preserves the genetic information, while asexual reproduction permits variation. DNA fragments are positively charged molecules , they can be separated by forcing them to move towards the cathode under an electric field. (E) Each restriction endonuclease recognises a specific palindromic nucleotide sequences in the DNA.

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How the DNA can be cut at specific locations ?

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Which enzyme cuts DNA at specific sites?

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Enzyme that cuts DNA at specific sites is

MOTION-BIOTECHNOLOGY : PRINCIPLES AND PROCESSES-EXERCISE -3
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  2. The DNA molecule to which the gene of interest is integrated for cloni...

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

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

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  5. The introduction of t-DNA into plants involves

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  6. The two polypeptides of human insulin are linked together by

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

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  8. The taq polymerase enzyme is obtained from

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  9. Which part of the tobacco plant is infected by Meloidogyne incognita?

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  10. Which of the following is a restriction endonuclease

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

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

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  13. DNA fragments are

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  14. A gene whose expression helps to indentify transformed cell is known a...

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

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

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  17. Use of bioresources by multinationals companies and organisation witho...

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

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  19. In India , the organisation responsible for assessing the safety of in...

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  20. DNA precipitation out of a mixture of biomolecules can be achieved by ...

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