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Name the enzyme that facilitates opening of DNA helix during transcription. [2020]
- a)DNA polymerase
- b)RNA polymerase
- c)DNA ligase
- d)DNA helicase
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
Name the enzyme that facilitates opening of DNA helix during transcrip...
RNA polymerase holoenzyme binds to the promoter, unwinds DNA (open complex) and form phospodiester links between the initating nucleotides. DNA polymerase, DNA ligase & DNA helicase are involved in the process of replication and not transcription.
Most Upvoted Answer
Name the enzyme that facilitates opening of DNA helix during transcrip...
The enzyme that facilitates the opening of the DNA helix during transcription is RNA polymerase.
Explanation:
Transcription is the process of synthesizing RNA from a DNA template. During transcription, RNA polymerase enzyme binds to the promoter region of the DNA molecule and separates the two strands of DNA, forming a transcription bubble. The RNA polymerase enzyme then reads the DNA template strand and synthesizes a complementary RNA molecule.
RNA polymerase enzyme is responsible for unwinding the double-stranded DNA molecule and separating the two strands to allow the RNA polymerase to access the template strand. The RNA polymerase enzyme uses energy from ATP hydrolysis to unwind the DNA helix and create a transcription bubble.
Therefore, option B, RNA polymerase, is the correct answer as it is the enzyme that facilitates the opening of the DNA helix during transcription.
Explanation:
Transcription is the process of synthesizing RNA from a DNA template. During transcription, RNA polymerase enzyme binds to the promoter region of the DNA molecule and separates the two strands of DNA, forming a transcription bubble. The RNA polymerase enzyme then reads the DNA template strand and synthesizes a complementary RNA molecule.
RNA polymerase enzyme is responsible for unwinding the double-stranded DNA molecule and separating the two strands to allow the RNA polymerase to access the template strand. The RNA polymerase enzyme uses energy from ATP hydrolysis to unwind the DNA helix and create a transcription bubble.
Therefore, option B, RNA polymerase, is the correct answer as it is the enzyme that facilitates the opening of the DNA helix during transcription.
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Name the enzyme that facilitates opening of DNA helix during transcription. [2020]a)DNA polymeraseb)RNA polymerasec)DNA ligased)DNA helicaseCorrect answer is option 'B'. Can you explain this answer?
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