Restriction endonucleases are enzymes which

  • Option 1)

    make cuts at specific positions within the DNA molecule

  • Option 2)

    recognize a specific nucleotide sequence for binding of DNA ligase

  • Option 3)

    restrict the action of the enzyme DNA Polymerase

  • Option 4)

    remove nucleotides from the ends of the DNA molecule

 

Answers (1)

As learnt in

Restriction Endonuclease -

These enzymes cleave DNA only within or near the specific base sequence. These sequences are called as recognition sites. They are of three types RE- I, RE-II and RE-III.

- wherein

1st Restriction enzyme (Hind II) was used in RDT. 

 

 


Option 1)

make cuts at specific positions within the DNA molecule

This option is correct

Option 2)

recognize a specific nucleotide sequence for binding of DNA ligase

This option is incorrect

Option 3)

restrict the action of the enzyme DNA Polymerase

This option is incorrect

Option 4)

remove nucleotides from the ends of the DNA molecule

This option is incorrect

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