RNA Molecule Structure and Secondary Structures Quiz
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Questions and Answers

Which type of RNA can encode for more than one protein in prokaryotes?

  • tRNA
  • rRNA
  • snRNA
  • mRNA (correct)
  • What is the role of tRNA in protein synthesis?

  • Carrying individual amino acids to ribosomes (correct)
  • Forming ribosomes
  • Splicing RNA
  • Acting as a catalyst
  • Which enzyme is responsible for RNA synthesis?

  • RNA polymerase (correct)
  • DNA polymerase
  • DNA ligase
  • RNA ligase
  • What is the function of small nuclear RNAs (snRNAs)?

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

    What is the primary role of RNA polymerase in the elongation phase of RNA synthesis?

    <p>Reading DNA template and generating mRNA</p> Signup and view all the answers

    How does a-amanitin affect RNA polymerase type 2?

    <p>It inhibits mRNA precursors and snRNA production</p> Signup and view all the answers

    What is the impact of Rifampicin on bacterial transcription?

    <p>It inhibits the initiation phase of transcription</p> Signup and view all the answers

    Which viral genomes require RNA-directed RNA polymerase for replication?

    <p>RNA-based genomes</p> Signup and view all the answers

    What is the structure formed through complementary base pairing within the same RNA molecule?

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

    Why is RNA less stable than DNA?

    <p>RNA has a single-stranded structure, making it more susceptible to cellular damage.</p> Signup and view all the answers

    What type of RNA possesses enzymatic activity and can cleave either themselves or other RNA molecules?

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

    Which type of RNA acts as a template for protein synthesis?

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

    What is the sequence of bases in RNA responsible for providing coding information?

    <p>Nucleotide sequence</p> Signup and view all the answers

    What forms when there is no complementary base pairing and bulges form due to mismatches in RNA?

    <p>Hairpin loop</p> Signup and view all the answers

    Which type of RNA can take the form of monocistronic where one RNA encodes for one protein?

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

    Polymerase chain reaction (PCR) is used to amplify RNA molecules for sequencing.

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

    Ribosomal RNA (rRNA) is only found in eukaryotic cells.

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

    RNA polymerase reads the DNA sequence from 5' to 3' direction during RNA synthesis.

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

    Small nuclear RNAs (snRNAs) are involved in the synthesis of ribosomal RNA.

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

    Rifampicin inhibits the elongation phase of RNA synthesis.

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

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