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Question : The enzyme which catalyses the unwinding of DNA helix during replication is:

Option 1: Primase

Option 2: Topoisomerase

Option 3: Helicase

Option 4: DNA polymerase


Team Careers360 25th Jan, 2024
Answer (1)
Team Careers360 27th Jan, 2024

Correct Answer: Helicase


Solution : The correct option is Helicase.

Catalysing the unwinding of the DNA helix during replication is an enzyme called DNA helicase. As a result of its ability to break hydrogen bonds between complementary base pairs, DNA helicase is crucial to DNA replication because it permits DNA strands to split, and provides templates for new strand composition.

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