Restriction enzymes, which cut the DNA at specific sites, characterized by specific sequence of:
Correct answer: D. Four or six nucleotides
- A. Four nucleotides
- B. Eight nucleotides
- C. Six nucleotides
- D. Four or six nucleotides
Explanation
Restriction enzymes cut the DNA at very specific sites characterized by specific sequence of four or six nucleotides arranged symmetrically in reverse order. Such sequences are known as palindromic sequences.
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