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Name the enzyme that facilitates opening...

Name the enzyme that facilitates opening of DNA helix during transcription.

A

DNA ligase

B

DNA helicase

C

DNA polymerase

D

RNA polymerase

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Knowledge Check

  • Packaging of DNA helix

    A
    Involves polyamines in eukaryotes
    B
    Occurs with the help of NHC proteins only
    C
    Requires acidic proteins that help in coiling of DNA in prokaryotes
    D
    Is more complex in eukaryotes than prokaryotes

  • The enzyme that catalyses transcription of RNA in bacteria :

    A
    DNA polymerase
    B
    RNA polymerase I and II
    C
    RNA polymease II
    D
    DNA dependent RNA polymerase

  • During fertilization, the enzyme which facilitates penetration of the egg by the spermatozoan is:

    A
    hyaluronidase
    B
    acid phosphate
    C
    acetylcholinesterase
    D
    alkaline phosphate

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    give two reasons why both the strand of DNA are not copied during transcription.

    Which of the following would face cytosine of DNA stand during transcription of m-RNA?

    The enzyme that reduces the tension during the unwinding of DNA helix in front of the replication fork is :

    Main enzyme of transcription:

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