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Question
A specific recognition sequence identified by endonucleases to make cuts at specific positions within the DNA is:
A specific recognition sequence identified by endonucleases to make cuts at specific positions within the DNA is:
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Solution
The correct option is D Palindromic Nucleotide sequences
Restriction enzymes are a type of endonucleases that cleave phosphodiester bonds between consecutive nucleotides within or near to specific DNA sequences known as recognition sites. Recognition sites are the sites on the polynucleotide strand that are usually palindromic in nature.
Palindromic sequence in DNA is a sequence of bases that reads the same on the two strands when orientation of reading is kept the same.
Example: The recognition site for the restriction enzyme EcoR I is given below:-
Restriction enzymes are a type of endonucleases that cleave phosphodiester bonds between consecutive nucleotides within or near to specific DNA sequences known as recognition sites. Recognition sites are the sites on the polynucleotide strand that are usually palindromic in nature.
Palindromic sequence in DNA is a sequence of bases that reads the same on the two strands when orientation of reading is kept the same.
Example: The recognition site for the restriction enzyme EcoR I is given below:-
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