If Relaxed Plasmid DNA Is Treated with E

question 20

Multiple Choice

If relaxed plasmid DNA is treated with E. coli DNA gyrase and ATP, which effect would NOT be observed?

• A) ATP hydrolysis would occur.
• B) The linking number for the plasmid would decrease.
• C) The writhe on the plasmid would increase.
• D) The superhelical density would become more negative.
• E) All of these effects would be observed.

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