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OAE - Integrated Science: Biomolecules & Enzymes 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. Why do DNA strands need to be antiparallel?

Question 2 2. 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 3 3. Which amino acid has no side chain?

Question 4 4. What atoms are connected by a peptide bond?

Question 5 5.

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

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Question 6 6. A phosphodiester bond links:

Question 7 7. Pepsin works optimally in your stomach due to its

Question 8 8. How is the tertiary structure of protein different from that of a quaternary structure?

Question 9 9. The sugar end of the DNA strand is referred to as the _____ end and the phosphate end is referred to as the _____ end.

Question 10 10. Which of the following nitrogenous bases is NOT found in RNA?

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Question 11 11.

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

I. Single-stranded

II. Ribose

III. Uracil

Question 12 12. Which of the following is NOT true of a noncompetitive inhibitor?

Question 13 13. A coenzyme is differentiated from the broader class of cofactors because it is _____.

Question 14 14. Identify the secondary structure that is NOT held together by hydrogen bonds.

Question 15 15. Which of the following reactions forms peptide bonds?

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Question 16 16. Which category of amino acids cannot participate in hydrogen bonding with its side chain?

Question 17 17. What type of bond is often formed between prosthetic groups and proteins?

Question 18 18. What are the monomer units in protein polymers?

Question 19 19. Which of the following is a function performed by proteins?

Question 20 20. Competitive inhibition involves an inhibitor

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Question 21 21. Proteins in our skin, hair, and nails are called what?

Question 22 22. An enzyme will reach its saturation point

Question 23 23. Many coenzymes are derived from _____.

Question 24 24. The change in overall energy of a reaction is

Question 25 25. A nucleic acid monomer is called:

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Question 26 26. How many kinds of amino acids can the human body use?

Question 27 27. Proteins are biological molecules made of _____.

Question 28 28. Which of the following statements is true?

Question 29 29. Which of the following is NOT true of lactase?

Question 30 30. Which of the following statements is true?

OAE - Integrated Science: Biomolecules & Enzymes 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!

Ohio Assessments for Educators - Integrated Science (024): Practice & Study Guide  /  Science Courses
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