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Processes & Steps of DNA Replication Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. The replication of DNA is a complex process; all of the following statements are correct, EXCEPT

Question 2 2. What is the purpose of the RNA primer?

Question 3 3. Which of the following BEST explains the role of DNA polymerase?

Question 4 4. Which of the parent DNA strands is replicated discontinuously?

Question 5 5. Which word part is used to designate that a molecule is an enzyme?

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Question 6 6. There are 11 primers for the leading and lagging strand of a particular replication fork. How many Okazaki fragments will there be on one side of the replication bubble?

Question 7 7. Who performed the experiment that proved semi-conservative DNA replication was correct?

Question 8 8.

Using the given information, determine the correct order of the following events during the replication of the lagging strand.

a. The DNA double helix unwinds.

b. The Okazaki fragments are joined.

c. The RNA primase builds an RNA primer on the parent strand.

d. Nucleotides are added and matched to the parent strand.

Question 9 9. Which enzyme is responsible for laying down the daughter nucleotides during DNA replication?

Question 10 10. Why does N-15 DNA sink to a lower level than N-14 in a centrifuge tube?

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Question 11 11. In which method of DNA Replication would new DNA consist of alternating parent and daughter DNA?

Question 12 12. What happens to the RNA primer once DNA replication is begun by DNA polymerase?

Question 13 13. Which is a feature of the semi-conservative model of DNA replication?

Question 14 14. When DNA helicase separates the two parental strands, it creates a Y-shape called a _____.

Question 15 15. The Dispersive method of DNA Replication was disproved when the scientists observed...

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Question 16 16. Which enzyme requires an RNA primer?

Question 17 17. What are the small components (monomers) that make up the large DNA polymer?

Question 18 18. Which enzyme builds the daughter strand alongside the parent strand during cell replication?

Question 19 19. How can a mutation in one copy of a DNA sequence be created?

Question 20 20. If the DNA sequence is 3' GCCTCC 5', what is the sequence of the primer that begins replication?

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Question 21 21. Why can't DNA polymerase work continuously on both parent strands?

Question 22 22. Which is the enzyme that builds the RNA primer?

Question 23 23. The location where the process of DNA replication begins is called the _____.

Question 24 24. How many replication forks are contained in each replication bubble?

Question 25 25. How many rounds of DNA Replication were needed to disprove the Conservative method?

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Question 26 26. What is a function of replication forks?

Question 27 27. Why do we call DNA an antiparallel molecule?

Question 28 28. How is the N-15 isotope different from the N-14 atom?

Question 29 29. What might be the result of a decrease in the number of replication bubbles?

Question 30 30. Because hydrogen bonds are weak bonds, they create a perfect site for _____.

Processes & Steps of DNA Replication Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. You will lose your work if you close or refresh this page. Good luck!

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