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TExES Life Science: Genetic Mutations 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.

Consider the following restriction enzymes and restriction sites. A carot (^) designates the location where the restriction enzyme will cut. Note that only one strand of DNA has been provided.

Acc65I 5'…G^GTACC…3'

EcoRI 5'…G^AATTC…3'

KpnI 5'…GGTAC^C…3'

Which of the following molecules will NOT form hydrogen bonds?

Question 2 2. Which of the following is a product of DNA cloning?

Question 3 3. Ligase catalyzes the formation of what type of bond?

Question 4 4. Which of the following statements is TRUE?

Question 5 5. Which of the following statements is FALSE?

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Question 6 6. Consider the DNA molecule below. Which of the following DNA molecules is most likely to bind to the sticky end of this molecule?

Question 7 7. Which of the following statements is TRUE?

Question 8 8. Why are proteomes important to study?

Question 9 9. What is a syndrome?

Question 10 10. Mutagens are typically found _____.

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Question 11 11. Which best describes a genome?

Question 12 12. Which enzyme checks DNA for errors?

Question 13 13. Which of the following is NOT an example of phenotypic variability?

Question 14 14. What is proteomics?

Question 15 15. The extent to which a trait or condition is expressed is called:

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Question 16 16. Ligase could be expected to do which of the following?

Question 17 17. Which of the following are linked together by DNA ligase?

Question 18 18. What might be used to clone DNA instead of bacteria?

Question 19 19. Which of the following statements is TRUE?

Question 20 20. When can a genetic mutation get passed down through successive generations?

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Question 21 21. What did J. Craig Venter do?

Question 22 22. Which is NOT a reason that bacteria are often the first choice for cloning DNA?

Question 23 23. Consider the following electrophoresis gel. A scientist wishes to isolate a gene that is 1.6 kb in size. Which of the following DNA bands could contain the intact gene?

Question 24 24. A geneticist is studying a rare, autosomal dominant syndrome that is characterized by the following three hallmarks: a significantly increased risk for cancer, exceptional height, and early hearing loss. If the syndrome is 70% penetrant, then what does this mean?

Question 25 25. Which of the following DNA molecules contains a palindromic sequence?

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Question 26 26. Why do people try to protect their skin from ultraviolet radiation?

Question 27 27.

All of the samples in the following electrophoresis experiment contain linearized DNA. Which of the following statements could be true?

I. Lane 2 contains the uncut and lane 3 contains the cut samples from a restriction digest experiment.

II. Lane 3 is the unligated DNA and lane 2 is the ligated DNA from the same experiment.

III. Lane 2 and 3 are results of digesting the same DNA sample with different restriction enzymes.

Question 28 28. What is recombinant DNA made of?

Question 29 29. How do mutagens cause mutations?

Question 30 30. The enzyme used to 'paste' together the DNA strands is called

TExES Life Science: Genetic Mutations Chapter 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!

TExES Life Science 7-12 (238): Practice & Study Guide  /  Science Courses
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