• 2022-05-31 问题

    Which<br/>one can separate the parental DNA strands? A: DnaC B: DNA-pol C: topoisomerase D: primase E: helicase

    Which<br/>one can separate the parental DNA strands? A: DnaC B: DNA-pol C: topoisomerase D: primase E: helicase

  • 2022-05-31 问题

    Topoisomerase II catalyzes the transient breaking and rejoining of two strands of duplex DNA which allows the strands to pass through one another, thus altering the topology of DNA.

    Topoisomerase II catalyzes the transient breaking and rejoining of two strands of duplex DNA which allows the strands to pass through one another, thus altering the topology of DNA.

  • 2022-06-09 问题

    Comparing<br/>DNA polymerase and RNA polymerase, the only differences is() A: The<br/>former has proof-reading activity, the latter doesn’t. B: The<br/>former requires primer, the latter doesn’t. C: The<br/>former can grow in both 5′→3′ and 3′→5′<br/>direction, the latter can only grow in 5′→3′. D: The<br/>former requires topoisomerase to relief stress, the latter doesn’t.

    Comparing<br/>DNA polymerase and RNA polymerase, the only differences is() A: The<br/>former has proof-reading activity, the latter doesn’t. B: The<br/>former requires primer, the latter doesn’t. C: The<br/>former can grow in both 5′→3′ and 3′→5′<br/>direction, the latter can only grow in 5′→3′. D: The<br/>former requires topoisomerase to relief stress, the latter doesn’t.

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