Holt McDougal Biology Chapter 8: From DNA to Proteins 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. In the Avery-Griffith experiment, Oswald Avery knew that the sugar coat was NOT the transforming principle because transformation occurred when _____ was ABSENT.

Question 2 2. Operons are only found in what kind of cell?

Question 3 3. Which of the following is the enzyme that adds RNA nucleotides to build the antisense strand?

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

Question 5 5. How does a frameshift mutation in the gene coding for the enzyme, hexosaminidase A, result in Tay-Sachs disease?

Page 2

Question 6 6. Oswald Avery ruled out RNA as the transforming principle by using _____ in the Avery-Griffith experiment..

Question 7 7.

The following concepts led to the hypothesis that DNA has a double helix structure:

I. The ratio of A:T is 1:1.

II. Deoxyribose is the sugar in DNA.

III. DNA strands are antiparallel

Question 8 8. Which of the following describes a group of related genes in a prokaryote's DNA?

Question 9 9. Oswald Avery answered the question he set out to investigate by showing that _____ was the transforming principle in the Avery-Griffith experiment.

Question 10 10. While studying for an upcoming test, your friend Jane tells you that prokaryotic cells process their RNA in the nucleus. Is this a correct statement? Why or why not?

Page 3

Question 11 11. How many nucleotide bases make up a codon?

Question 12 12. Why do people try to protect their skin from ultraviolet radiation?

Question 13 13. Which part(s) of a gene produces a protein product?

Question 14 14. When can a genetic mutation get passed down through successive generations?

Question 15 15. Which of the following describes an increase in gene expression?

Page 4

Question 16 16. Who performed the experiment that proved semi-conservative DNA replication was correct?

Question 17 17.

Use the chart to decode this strand of mRNA:

AUGUCAGAUUGA

Question 18 18. What were Oswald Avery's objective results in the Avery-Griffith experiment?

Question 19 19. Tay-Sachs disease results from a buildup of harmful chemicals in the

Question 20 20. In which phase of transcription does the RNA polymerase attach to the promoter sequence of DNA?

Page 5

Question 21 21. What kind of organism was used to investigate the method of DNA Replication?

Question 22 22. Which type of mutation results in an incomplete polypeptide because of an early stop signal?

Question 23 23. How is the N-15 isotope different from the N-14 atom?

Question 24 24. The lac operon codes for the enzyme that help digest the sugar _____.

Question 25 25. Mutagens are typically found _____.

Page 6

Question 26 26. In which method of DNA Replication would new DNA consist of alternating parent and daughter DNA?

Question 27 27. The repressor blocks RNA polymerase from binding to the promoter, making _____ impossible.

Question 28 28. Where in the cell does transcription occur?

Question 29 29. How many rounds of DNA Replication were needed to disprove the Conservative method?

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

Holt McDougal Biology Chapter 8: From DNA to Proteins 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!

Holt McDougal Biology: Online Textbook Help  /  Science Courses
Support