Genetics and DNA Function Quiz
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Questions and Answers

What is the main function of DNA replication?

  • To make a copy of itself during cell division (correct)
  • To produce energy for the cell
  • To synthesize proteins
  • To repair damaged DNA

During DNA replication, what is the function of the leading strand?

  • Serving as the template for RNA synthesis
  • Breaking down the old DNA strands
  • Synthesizing new DNA in the opposite direction of replication fork
  • Synthesizing new DNA in the same direction as replication fork (correct)

What is a replication fork in DNA replication?

  • A protein responsible for repairing DNA damage
  • An enzyme that aids in replication
  • A type of RNA molecule involved in transcription
  • A Y-shaped structure formed during DNA replication (correct)

What does semiconservative mean in the context of DNA replication?

<p>One strand of the double helix is conserved while the other is fully replicated (D)</p> Signup and view all the answers

Which enzyme is NOT involved in DNA replication?

<p>RNA polymerase (C)</p> Signup and view all the answers

What happens to the lagging strand during DNA replication?

<p>It synthesizes new DNA in the opposite direction of the replication fork (C)</p> Signup and view all the answers

During which stage in the cell cycle does DNA replication occur?

<p>S Phase (C)</p> Signup and view all the answers

What is the function of centrosomes during DNA replication?

<p>Organize cell division (C)</p> Signup and view all the answers

Which term describes the process of forming identical pairs of DNA molecules during the S Phase?

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

What is the main outcome of the G2 Phase of the cell cycle?

<p>Energy replenishment (C)</p> Signup and view all the answers

Which statement accurately describes mitosis?

<p>Involves the division of somatic cells (D)</p> Signup and view all the answers

What happens during Prophase in mitosis?

<p>Nuclear envelope dissociates (D)</p> Signup and view all the answers

During DNA replication, what is the function of DNA polymerase?

<p>Add free DNA nucleotides using complementary base pairing (B)</p> Signup and view all the answers

Which enzyme is primarily responsible for unzipping the DNA helix during replication?

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

What is the role of RNA in protein synthesis?

<p>Facilitating translation of DNA to proteins (A)</p> Signup and view all the answers

Which type of RNA serves as a messenger in conveying instructions between DNA and ribosomes?

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

What type of bond is broken to separate the two strands of DNA during replication?

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

Which sugar is present in RNA but not in DNA?

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

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