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

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

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

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

<p>Initiation, Elongation, Termination (B)</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 (A)</p> Signup and view all the answers

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

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

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

<p>Initiation complex (B)</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 (A)</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 (A)</p> Signup and view all the answers

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

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

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

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

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

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

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

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

Which part of the human genome encodes proteins?

<p>Exome (D)</p> Signup and view all the answers

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