What Is the Main Difference Between Topoisomerases I and II

question 10

Multiple Choice

What is the main difference between topoisomerases I and II?

• A) Gyrases are a subset of topoisomerases I
• B) Topoisomerase I breaks one strand and II both strands
• C) Topoisomerase I needs ATP, and II does not
• D) Topoisomerase II remains bound to DNA until religation
• E) Topoisomerase relaxes only positively supercoiled species

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