Certain Restriction Enzymes Produce Cohesive (Sticky) Ends

question 97

Multiple Choice

Certain restriction enzymes produce cohesive (sticky) ends. This means that they:

• A) cut both DNA strands at the same base pair.
• B) cut in regions of high GC content, leaving ends that can form more hydrogen bonds than ends of high AT content.
• C) make a staggered double-strand cut, leaving ends with a few nucleotides of single-stranded DNA protruding.
• D) make ends that can anneal to cohesive ends generated by any other restriction enzyme.
• E) stick tightly to the ends of the DNA they have cut.

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