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Macromolecules 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.

Which of the following is a primary function of a nucleic acid?

I. Structural support

II. Storage of information

III. Energy storage

Question 2 2.

Which of the following are ways in which RNA is different than DNA:

I. Single-stranded

II. Ribose

III. Uracil

Question 3 3. Lawrence wants to eat a food that is high in energy before she starts training for her tennis competition. Which of the following types of food will give her the most energy per pound?

Question 4 4. What does N-terminus refer to?

Question 5 5. The breakdown of protein secondary, tertiary, and quaternary structure is called _____.

Page 2

Question 6 6. Which of the following statements is true?

Question 7 7. Why does soap remove grease from pans when we wash dishes?

Question 8 8. Which of the following makes proline a 'special' amino acid?

Question 9 9. Which of the following roles do lipids NOT play in our bodies?

Question 10 10. All of the following statements are true about lipids, EXCEPT that _____.

Page 3

Question 11 11. What atoms are connected by a peptide bond?

Question 12 12.

Which of the following are reasons why RNA is generally less stable than DNA?

I. Fewer hydrogen bonds

II. Prevalence of proteins that can degrade RNA

III. Fewer -OH groups in the sugar of RNA

Question 13 13. How many kinds of amino acids can the human body use?

Question 14 14. Which amino acid is involved in formation of disulfide bonds?

Question 15 15.

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

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

II. The ratio of G:C is 2:1

III. DNA strands are antiparallel

Page 4

Question 16 16. Which set of functional groups is always found in sugars?

Question 17 17. All of the following statements are true, EXCEPT _____.

Question 18 18. How is the tertiary structure of protein different from that of a quaternary structure?

Question 19 19. Which of the following forms the backbone of a DNA molecule?

Question 20 20. Which of the following bases are categorized as purines?

Page 5

Question 21 21. Which of the following is a function performed by proteins?

Question 22 22. Which of the following scientists are credited with discovering the structure of DNA?

Question 23 23. Why do DNA strands need to be antiparallel?

Question 24 24. Which of the following statements is true?

Question 25 25. A phosphodiester bond links:

Page 6

Question 26 26. Which of the following statements correctly describes the behavior of the sickle cell hemoglobin?

Question 27 27. Proteins in our skin, hair, and nails are called what?

Question 28 28. Which category of amino acids cannot participate in hydrogen bonding with its side chain?

Question 29 29. A peptide bond is the linkage between:

Question 30 30. What are the monomer units in protein polymers?

Macromolecules 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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