Q.

Given below are two statements.
Statement I : Restriction endonucleases recognise specific sequence to cut DNA known as palindromic nucleotide sequence.
Statement II : Restriction endonucleases cut the DNA strand a little away from the centre of the palindromic site.
In light of the above statements, choose the most appropriate answer from the options given below.

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a

Statement I is correct but Statement II is incorrect

b

Both Statement I and Statement II are correct

c

Both Statement I and Statement II are incorrect

d

Statement I is incorrect but Statement II is correct

answer is D.

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Detailed Solution

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Each restriction endonuclease recognises a specific palindromic nucleotide sequences in the DNA. Restriction enzymes cut the strand of DNA a little away from the centre of the palindrome sites, but between the same two bases on the opposite strands.

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Given below are two statements.Statement I : Restriction endonucleases recognise specific sequence to cut DNA known as palindromic nucleotide sequence.Statement II : Restriction endonucleases cut the DNA strand a little away from the centre of the palindromic site.In light of the above statements, choose the most appropriate answer from the options given below.