Restriction Enzymes Cut Double-Stranded DNA at a Specific Base Sequence

question 43

Multiple Choice

Restriction enzymes cut double-stranded DNA at a specific base sequence ____.

• A) ​between genes
• B) ​and produce fragments of four to eight base pairs in length
• C) ​between bacterial and viral DNAs
• D) ​between purines and pyrimidines
• E) ​between promoter and operator DNA sequences

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