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Question
Which of the following sequences along a double stranded DNA molecule may be recognized as a cutting site for a particular restriction enzyme ?
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Solution
The correct option is C GGCC CCGG
Restriction enzyme cut DNA usually by identifying palindrome sequences. A palindromic sequence is a nucleic acid sequence on double-stranded DNA or RNA wherein reading 5' to 3' forward on one strand matches the sequence reading 5' to 3' on the complementary strand with which it forms a double helix. Sequence GGCC CCGG is an example of a palindrome sequence. So, the correct option is 'GGCC CCGG'.
Restriction enzyme cut DNA usually by identifying palindrome sequences. A palindromic sequence is a nucleic acid sequence on double-stranded DNA or RNA wherein reading 5' to 3' forward on one strand matches the sequence reading 5' to 3' on the complementary strand with which it forms a double helix. Sequence GGCC CCGG is an example of a palindrome sequence.
So, the correct option is 'GGCC CCGG'.
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