Central Dogma of Molecular Biology: DNA, RNA, Proteins Structure
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Questions and Answers

During transcription, what role does RNA polymerase play?

  • Builds the mRNA strand by linking nucleotides (correct)
  • Removes introns from the mRNA strand
  • Unwinds the DNA double helix
  • Joins the two DNA strands together

    • What is the function of DNA ligase in DNA replication?

  • Removes introns from the mRNA
  • Slides along the template DNA strand
  • Joins the Okazaki fragments on the lagging strand (correct)
  • Joins amino acids during translation

    • What is the purpose of intron splicing in mRNA processing?

  • Removes non-coding introns from the mRNA (correct)
  • Removes exons from the mRNA
  • Adds a 5-prime cap to the mRNA
  • Joins adjacent codons together

    • Where does translation take place in a cell?

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

    What is the function of DNA primase in DNA replication?

    <p>Provides the initiation sequence for DNA synthesis</p> Signup and view all the answers

    Which molecule serves as the backbone of the DNA structure?

    <p>Phosphate + sugar</p> Signup and view all the answers

    What is the role of topoisomerase during DNA replication?

    <p>Relaxes the coiled DNA</p> Signup and view all the answers

    Which process in gene expression involves the conversion of RNA into a functional protein?

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

    What are the components of a nucleotide in DNA?

    <p>Phosphate + sugar + base</p> Signup and view all the answers

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