Type I topoisomerases differ from type II topoisomerases in that the type I enzymes ________

A) decrease the linking number (L) of a double helix
B) ligate fragments of DNA that have been hydrolyzed
C) cleave both strands of a double helix
D) induce negative supercoiling
E) cleave one strand of a double helix


Answer: C

Biology & Microbiology

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