Transcription Process Definition Quiz
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Questions and Answers

What is the main enzyme responsible for catalyzing RNA synthesis from DNA?

  • Helicase
  • RNA helicase
  • DNA polymerase
  • RNA polymerase (correct)
  • What is the major difference between RNA and DNA?

  • RNA contains thymine while DNA contains uracil (correct)
  • RNA is involved in protein synthesis while DNA is not
  • DNA contains ribose sugar while RNA contains deoxyribose sugar
  • RNA is double-stranded while DNA is single-stranded
  • What are the sequences in the mRNA that are not part of the final protein product called?

  • Introns
  • UTRs (correct)
  • Promoters
  • Exons
  • During which phase of transcription does RNA polymerase bind to a specific region on the DNA known as the promoter region?

    <p>Template Binding</p> Signup and view all the answers

    What is the first nucleotide assigned a position of +1 during transcription start?

    <p>Adenine (A)</p> Signup and view all the answers

    Which molecules are utilized by RNA polymerase during elongation of the RNA chain?

    <p>Ribonucleoside triphosphates</p> Signup and view all the answers

    Which enzyme is responsible for catalyzing the synthesis of RNA from DNA during transcription?

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

    What is the nucleotide that RNA contains instead of thymine (T) found in DNA?

    <p>Uracil (U)</p> Signup and view all the answers

    In transcription, what is the region on the DNA that RNA polymerase binds to, known as?

    <p>Promoter region</p> Signup and view all the answers

    Which phase of transcription involves the synthesis of a complementary RNA transcript from the template DNA strand?

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

    What are the sequences in the 5' and 3' ends of mRNA that are not part of the final protein product called?

    <p>Untranslated regions (UTR)</p> Signup and view all the answers

    What is released by RNA polymerase each time a ribonucleoside triphosphate is added to the growing RNA chain?

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

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