Biology: Steps of Transcription

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Questions and Answers

What is the first step of transcription?

  • The mRNA that is formed leaves the nucleous
  • RNA Nucleotides are formed from the DNA template strand
  • RNA polymerase unzips the DNA double helix (correct)
  • DNA polymerase replicates the DNA

What occurs during the second step of transcription?

  • The mRNA that is formed leaves the nucleous
  • RNA Nucleotides are formed from the nucleotides in the DNA template strand (correct)
  • RNA polymerase unzips the DNA double helix
  • DNA is completely replicated

What happens in the third step of transcription?

  • RNA polymerase unzips the DNA double helix
  • The mRNA that is formed leaves the nucleous (correct)
  • RNA Nucleotides are formed from the nucleotides in the DNA template strand
  • DNA replication occurs

What is the process of forming RNA nucleotides from the DNA template strand called?

<p>Elongation</p> Signup and view all the answers

What is the main enzyme involved in the initiation step of transcription?

<p>RNA polymerase</p> Signup and view all the answers

What is the final outcome of the transcription process?

<p>mRNA</p> Signup and view all the answers

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Study Notes

Steps of Transcription

  • Initiation: RNA polymerase binds to the DNA and unwinds the double helix to begin transcription.
  • Elongation: RNA nucleotides are synthesized using the DNA template strand, elongating the newly formed mRNA strand.
  • Termination: Once elongation is complete, the newly synthesized mRNA strand exits the nucleus, ready for translation.

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