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• 9. The coenzymes of the pyruvate dehydrogenase complex do **not** include ( ) (A) thiamine pyro
• 10. F1F0ATP synthase works as a molecular motor. Which subunit of this complex functions as the cent
• 11. Which of the following is the major advantage of a multi-enzyme complex? (A) it's large si
• 12. What are the final products of aerobic catabolism? (A) pyruvate and H2O (B) acetyl-CoA and CO
• 13. Dehydrogenases are enzymes that: (A) move hydrogens within the molecule (B) add hydrogens acr
• 14. When dietary carbohydrate consumption exceeds the energy needs of the individual, excess carbohy
• 15. Which of the following is a result of a high fat, high protein, low carbohydrate diet? (A) The
• 16. Which vitamin is essential to vision? (A) vitamin A (B) vitamin C (C) vitamin D2 (D) vitami
• 17. Grapefruit juice at pH 3.2 contains about __________times as much H⁺ as orange juice at pH 4.2.
• 18. What ionic forms are present at pH 7.0? The pKas of phosphoric acid are 2.1, 7.2, 12.4. (A) HP
• 19. Calorimetry measures__________by a biochemical process. (A) Heat absorbed or given off, AH (B
• 20. A widely used \"consensus value\" for △G°' of ATP hydrolysis in biological syst
• 21. The amino and carboxyl groups of amino acids react in a head-to-tail fashion, eliminating water,
• 22. All of the statements about the classification of these amino acids are correct EXCEPT: (A) As
• 23. Which of the following amino acids absorbs light most strongly between 250 and 300 nm? (A) His
• 24. The formation of a disulfide bond would be an example of what level of protein structure? (A)
• 25. After treating a protein with trypsin, which of the following techniques could be used to determ
• 26. Alpha helices are stabilized primarily by: (A) Hydrogen bonds between the main chain peptide b
• 27. Tertiary structure is defined as: (A) the sequence of amino acids. (B) The folding of a sing
• 28. The endoplasmic reticulum bound enzyme that hydrolyzes glucose-6-phosphate to glucose in liver i
• 29. Insulin in the bloodstream is a response to increased blood glucose, and: (A) stimulates gluco
• 30. Which of the following can be used as a substrate for gluconeogenesis in the liver? (A) Alanine
• 31. For the complete oxidation of a saturated fatty acid with 16 carbons, how many times must the be
• 32. What are the β-oxidation products of oleic acid (18:1Δ9) and how many ATP equivalents are requir
• 33. The brain normally uses __________as its source of metabolic energy, but during starvation______