Restriction endonuclease cleaves______________?
Correct answer: B. Double stranded DNA
- A. SIngle stranded DNA
- B. Double stranded DNA
- C. SIngle stranded RNA
- D. Polypeptide
Explanation
Restriction endonucleases usually recognize specific sequences in double-stranded DNA and cleave the phosphodiester backbone of both strands. They are therefore important tools in recombinant DNA technology.
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