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Question
The recognition sequence of restriction enzymes is generally ______ nucleotide long.
Options
2 to 4
4 to 8
8 to 10
14 to 18
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Solution
The recognition sequence of restriction enzymes is generally 4 to 8 nucleotides long.
Explanation:
The sequences recognized by restriction enzymes are 4 to 8 nucleotides long and characterized by a particular type of internal symmetry. Consider the specific sequence recognized by the enzyme EcoRI.
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