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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

Probes

B

Selectable marker

C

Ligases

D

Restriction enzymes

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The correct Answer is:
D
In 1963, two enzymes responsible for restricting the bacteriophage growth in bacteria was discovered. Second enzyme cut DNA molecule at a particular point by recognising a specific sequence DNA.
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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.

The cutting of DNA at specific locations is become possible due to__________.

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Cutting of DNA at specific location by restriction enzymes is populary called ''moleculars scissors''. The cut piece of DNA is linked with the plasmid DNA called

Which enzyme cuts DNA at specific sites?

Recombinant DNA technology become possible only after the discovery of enzyme restriciton endonuclesase till now how many restriction enzymes have been isolated .

Enzyme that cuts DNA at specific sites is

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-BIOTECHNOLOGY : PRINCIPLES AND PROCESSES-MCQs
  1. Which of the following is not a feature of the plasmids ?

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  2. The DNA molecule to which the gene of interst is integrated for clonin...

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

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  4. Which vector can clone only a small fragment of DNA ?

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  5. DNA fragments generated by restriction endonucleases in a chemical rea...

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  6. The colonies of recombinant bacteria appear white in contrast to blue ...

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

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  8. The figures below shows three steps (A,B,C) of polymerase chain reacti...

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  9. Biolistics (gene-gun) is suitable for

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  10. For transformation, micro-particles coated with DNA to be bombarded fr...

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  11. PCR and restriction Fragements length Polymorphism are the methods for

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  12. The figure below is the diagrammatic representation of the E.coli vect...

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  13. which one of the following is a case of wrong matching?

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

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  15. Which technique made it possible to genetically engineer living organi...

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  16. Given below is a sample of a portion of DNA strand giving the base seq...

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  17. Agarose extracted from sea weeds finds use in

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  18. Which one of the following is not a biofertiliser ?

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  19. DNA or RNA segment tagged with a radioactive molecule is called :

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  20. Stirred-tank bioreactors have been designed for

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