Cytogenetics: The Central Dogma (Chapter 9 & 10) Quiz
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Questions and Answers

What is the main focus of the Central Dogma theory?

  • RNA transcription
  • DNA replication
  • Protein translation
  • Flow of genetic information from DNA to RNA to protein (correct)
  • During which phase of Cell Division does DNA replication occur?

  • G1 phase
  • S phase (correct)
  • G2 phase
  • M phase
  • Who proposed the Semiconservative Model of DNA replication?

  • Francis Crick (correct)
  • Matthew Meselson
  • Franklin Stahl
  • James Watson
  • In DNA replication, what is the function of the enzyme DNA polymerase?

    <p>Proofreads the newly synthesized DNA strand for errors</p> Signup and view all the answers

    Which step of the Central Dogma involves the coding of amino acids into proteins?

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

    What experimental technique demonstrated that DNA replicates via a semiconservative mechanism?

    <p><strong>Density Shift</strong></p> Signup and view all the answers

    What are the three main steps involved in the translation process?

    <p>Initiation, Elongation, Termination</p> Signup and view all the answers

    During the initiation step of translation, what interaction occurs between the leader sequence of the mRNA and the small ribosomal subunit?

    <p>Formation of hydrogen bonds</p> Signup and view all the answers

    What is the start codon that always corresponds to methionine in the translation process?

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

    In the elongation process of translation, where does the large ribosomal subunit bind?

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

    What type of bond is formed between the first tRNA and the second tRNA in the translation elongation process?

    <p>Hydrogen bond</p> Signup and view all the answers

    In the termination process of translation, what binds to the stop codon to release the polypeptide?

    <p>Protein release factor</p> Signup and view all the answers

    What is the site where DNA replication occurs and single-stranded DNA is exposed?

    <p>Replication fork</p> Signup and view all the answers

    In which direction is the leading strand synthesized during DNA replication?

    <p>5' to 3'</p> Signup and view all the answers

    What is the process that produces messenger RNA by copying the DNA template?

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

    Which structure forms at either end of the replication bubble during DNA replication?

    <p>Replication fork</p> Signup and view all the answers

    Which part of the human genome encodes proteins?

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

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