Molecular Biology Quiz week 3

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Questions and Answers

Which enzyme is responsible for unwinding the DNA double helix during DNA replication?

  • Helicase (correct)
  • Gyrase
  • Primase
  • DNA polymerase

What is the function of SSBPs (Single-Strand Binding Proteins) during DNA replication?

  • Proofread DNA synthesis
  • Catalyze the formation of phosphodiester bonds
  • Prevent reannealing of the separated DNA strands (correct)
  • Initiate DNA replication

What is the role of DNA polymerase in DNA replication?

  • Unwind the DNA double helix
  • Prevent the reannealing of DNA strands
  • Initiate the synthesis of RNA primers
  • Catalyze the addition of nucleotides to the growing DNA strand (correct)

What is the term for the replication of DNA in opposite directions at the replication fork?

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

Which phase of the cell cycle immediately follows the S phase?

<p>G2 phase (A)</p> Signup and view all the answers

What is the process by which a eukaryotic cell physically divides into two daughter cells?

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

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