Praxis Biology: RNA and Gene Expression 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!

Page 1

Question 1 1. The letters used in the codon chart come from which type of nucleic acid strand?

Question 2 2. The ability of codons to match with the appropriate amino acids is called _____.

Question 3 3. A type of point mutation that alters the length of the DNA strand is _____.

Question 4 4. Before an mRNA molecule is finished with RNA processing, what is it called?

Question 5 5. What is the anticodon for the codon AAG?

Page 2

Question 6 6. What does the 'm' stand for in 'mRNA'?

Question 7 7. Which letters represent the 4 nucleotide bases in mRNA?

Question 8 8. Which of the following is NOT a characteristic of stem cells?

Question 9 9. What type of molecule is released during the formation of a peptide bond?

Question 10 10. Why are adult stem cells useful?

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Question 11 11. All of the following statements are correct, EXCEPT:

Question 12 12. A scientist identifies two different structures that both specify the same amino acid. How would the scientist describe these structures?

Question 13 13. Where in the cell does transcription occur?

Question 14 14. Which is the strand that serves as the template for transcription?

Question 15 15. Which type of RNA molecule contains an anticodon?

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Question 16 16. Which two types of nucleic acids move into the ribosome during translation?

Question 17 17. What are the functions of spliceosomes in RNA splicing?

Question 18 18. Which of the following is NOT a segment of DNA?

Question 19 19. Why can we manufacture insulin for humans with bacteria?

Question 20 20.

Use the chart to decode this strand of mRNA:

AUGUCAGAUUGA

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Question 21 21. Which part of the lac operon codes for the lactose digesting enzymes?

Question 22 22. Which of the following is the correct sequence in which a DNA sequence is used to produce a protein?

Question 23 23. An example of a transversion mutation is _____.

Question 24 24. The letters used in the codon chart are reflections of which type of code?

Question 25 25. Which part(s) of a gene produces a protein product?

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Question 26 26. The best term to describe the incorporation of a random mistake into the DNA sequence at a specific point is _____.

Question 27 27. Which of the following is NOT true about multipotent stem cells?

Question 28 28. The lac operon codes for the enzyme that help digest the sugar _____.

Question 29 29. Which of the following is the process of transferring genetic information from DNA to RNA?

Question 30 30. Which single nucleotide makes up the 5' cap?

Praxis Biology: RNA and Gene Expression 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!

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