CHEM 210 Final Exam Questions With Answers | Latest 2023/2024 Graded A+ | Portage Learning

The H+ concentration of a solution is 7.9 X 10-13M. What is the pH? A. -6.70 B. 6.70 C. 11.17 D. -12.1 E. 12.1 11. Which of the following is the free- energy change of a reaction? A. B. C. D. E. 12. The following is what type of protein secondary structure? A. Alpha Helix B. Beta turn C. Parallel beta sheet This study source was downloaded by from CourseH on :33:07 GMT -05:00 D. Anti-parallel beta sheet E. Globular sheet 13. A fibrous protein is an example of a protein _____ A. Quaternary structure B. Motif C. Secondary structure D. Amino Acid E. Conformation 14. Any molecule or ion that is necessary for an enzyme’s function is called a A. Cofactor B. Coreactant C. Coproduct D. Bienzyme E. Both B and C 15. In a particular cell, molecule X binds to an enzyme causing it to stop catalyzing reactions. Molecules X is called what? A. Ligand B. Substrate C. Coenzyme D. Deactivator E. Inhibitor 16. The following are all example of a lipid’s function in cells except _____ A. Energy source B. Structural role in membranes C. Structural role in myelin sheathes D. The basis for dye molecules (carotenoids) E. Catalysis 17. The following is an example of a _____ biomolecule This study source was downloaded by from CourseH on :33:07 GMT -05:00 A. Protein B. Carbohydrate C. Lipid D. Nucleic acid E. None