Transcription and Translation Processes Quiz
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Questions and Answers

During transcription, RNA polymerase binds to the promoter region of DNA 25 nucleotides downstream of the transcription start site.

False

The RNA polymerase synthesizes mRNA from the 3' to 5' end by reading the DNA template strand in the 5' to 3' direction.

False

In transcription, the non-template strand (sense) is used to synthesize mRNA.

False

Pre-mRNA contains exons that are non-coding regions.

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

During translation, codons on the mRNA match with anticodons on tRNA to assemble specific amino acids into proteins.

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

Stop codons trigger the release of tRNA from the ribosome during translation.

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

Study Notes

  • Transcription is the process of converting DNA into mRNA, while translation is the process of using mRNA to build proteins.
  • Transcription involves three steps: initiation, elongation, and termination.
  • During initiation, RNA polymerase binds to the promoter region of DNA, which is located 25 nucleotides upstream of the transcription start site.
  • The RNA polymerase synthesizes mRNA from the 5' to 3' end by reading the DNA template strand in the 3' to 5' direction.
  • In transcription, the template strand (anti-sense) is used to synthesize mRNA, while the non-template strand (sense) is not used.
  • After transcription, pre-mRNA contains introns (non-coding regions) and exons (coding regions), where introns are removed through RNA splicing.
  • Translation involves matching codons on the mRNA with anticodons on tRNA to assemble specific amino acids into proteins.
  • Translation occurs in three steps: initiation, elongation, and termination, where stop codons trigger the release of the protein from the ribosome for further processing.

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Description

Test your understanding of transcription and translation processes, including the steps involved in each process and the roles of RNA polymerase, mRNA, tRNA, and ribosomes. Learn about initiation, elongation, termination, codons, anticodons, introns, exons, RNA splicing, and protein synthesis.

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