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Question
Distinguish between type I and type II DNA topoisomerases.
 Question Submitted By :: Guest
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  Re: Distinguish between type I and type II DNA topoisomerases.
Answer
# 1
Topoisomerases relieve tension in the unwinding DNA strand 
During replication by temporarily clipping either one 
strand (type I) or both strands (type II) and allowing the 
helix to rotate at one point. In general, these enzymes do 
NOT require ATP.
 
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