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#Question id: 18733


Topoisomerase is also an enzyme which is used for carrying out ligation. The correct statement for topoisomerase is?

#Part-A Aptitude & General Biotechnology
  1. They act only on double stranded molecules
  2. They alter the degree of supercoiling of DNA molecules
  3. They are less effective than conventional DNA ligase
  4. There are three types of topoisomerases

Answer:- Option(s): 2


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