DNA Replication and Hybrid DNA Proportions Quiz

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Questions and Answers

What is the main enzyme involved in the replication process in living cells like E. coli?

  • DNA-dependent DNA polymerase (correct)
  • DNA-dependent RNA polymerase
  • RNA-dependent RNA polymerase
  • RNA-dependent DNA polymerase

Why is it important for DNA polymerases to catalyze the reaction with a high degree of accuracy?

  • To avoid mutations (correct)
  • To speed up the replication process
  • To reduce the cost of replication
  • To increase the efficiency of energy usage

What would happen if there is a mistake during DNA replication?

  • The process of replication speeds up
  • Energy efficiency increases
  • Mutations may occur (correct)
  • The cost of replication decreases

What serves as the template for DNA polymerase during the replication process?

<p>DNA molecules from a previous generation (D)</p> Signup and view all the answers

What enzyme is responsible for catalyzing the polymerization of deoxynucleotides in E. coli?

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

What provides energy for polymerization reactions in DNA replication?

<p>Terminal phosphates in deoxynucleoside triphosphates (D)</p> Signup and view all the answers

Why can't the two strands of DNA be separated over their entire length during replication?

<p>Due to the high energy requirement (C)</p> Signup and view all the answers

What is the term used to describe the small opening in the DNA helix where replication occurs?

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

Why is DNA replication continuous on one strand and discontinuous on the other?

<p>As a result of the directionality of DNA polymerases (A)</p> Signup and view all the answers

Which enzyme is responsible for joining the discontinuously synthesized fragments in DNA replication?

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

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