Cell Biology: DNA Replication Overview
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Questions and Answers

Which enzyme creates RNA primers on both leading and lagging strands during DNA replication?

  • Helicase
  • Telomerase
  • Primase (correct)
  • Topoisomerase

Which DNA polymerase is known for its proofreading ability during DNA replication?

  • DNA Polymerase III (correct)
  • DNA Ligase
  • DNA Polymerase I
  • RNA Polymerase

What role does DNA Ligase play in DNA replication?

  • Synthesizing new DNA strands
  • Unwinding the DNA double helix
  • Joining Okazaki fragments (correct)
  • Creating RNA primers

Which molecule serves as a template for the synthesis of a new DNA strand during replication?

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

What is the function of Topoisomerase during DNA replication?

<p>Relieving supercoiling tensions (B)</p> Signup and view all the answers

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

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

What is the function of RNA Polymerase in eukaryotic cells?

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

What is the role of DNA Primase?

<p>Initiating RNA synthesis on the leading strand (C)</p> Signup and view all the answers

Which enzyme is involved in adding nucleotides to the growing DNA strand during replication?

<p>DNA Polymerase III (A)</p> Signup and view all the answers

What is the primary function of DNA Ligase in DNA replication?

<p>Joins Okazaki fragments on the lagging strand (C)</p> Signup and view all the answers

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