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

What is the main function of DNA in cells?

  • To regulate gene expression
  • To catalyze chemical reactions
  • To store genetic information (correct)
  • To produce proteins

    • Which of the following is NOT a component of a DNA nucleotide?

  • Nitrogenous base
  • Ribose sugar (correct)
  • Phosphate
  • Deoxyribose sugar

    • What type of bond connects the nucleotides in a DNA strand?

  • Hydrogen bond
  • Ionic bond
  • Covalent bond
  • Phosphodiester bond (correct)

    • During DNA replication, what is the function of DNA Helicase?

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

    What is the role of RNA Primase in DNA replication?

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

    During DNA replication, which enzyme fills the gaps and joins the fragments in the lagging strand?

    <p>DNA ligase</p> Signup and view all the answers

    What is the main function of RNA polymerase during transcription?

    <p>Synthesizing mRNA from a DNA template</p> Signup and view all the answers

    What is the role of the Spliceosome in mRNA processing?

    <p>Joining adjacent exons to form mature mRNA</p> Signup and view all the answers

    Where does translation occur in eukaryotic cells?

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

    What is the function of tRNA during translation?

    <p>Bringing amino acids to the ribosome</p> Signup and view all the answers

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