Guided Reading - Cell Respiration and Metabolism I
1. ______________ is the opposite of glycogenesis. 
A. Glycolysis
B. Glyconeogenesis
C. Glycogenolysis
D. Gluconeogenesis
 2. The process of fat formation from acetyl CoA is called 
A. lipogenesis.
B. lipolysis.
C. beta-oxidation.
D. deamination.
3. Glucose formed from amino acids comes from the process of glycogenolysis. 
True    False

4. Blood glucose concentrations can be maintained by hydrolysis of glycogen in the 
A. liver.
B. skeletal muscle.
C. smooth muscle.
D. kidneys.

5. Aerobic respiration 
A. uses glucose.
B. generates water.
C. Both uses glucose and generates water.
D. generates oxygen.

6. The electron transport chain system functions to create a proton gradient across the outer mitochondrial membrane. 
True    False

7. Accumulation of lactic acid contributes to 
A. decreased brain function.
B. oxygen debt.
C. glycogen synthesis.
D. decreased liver gluconeogenesis.

8. How many amino acids are essential for an adult? 
A. eight
B. nine
C. ten
D. twelve

9. To go through glycolysis, _________ ATP per glucose molecule must be "invested" in order to activate the glucose molecule. 
A. one
B. two
C. three
D. four

10. The amount of energy contained in fat is 
A. 4 kilocalories per gram.
B. 5 kilocalories per gram.
C. 9 kilocalories per gram.
D. 15 kilocalories per gram.

11. A net total of ______________ molecules of ATP are produced by glycolysis. 
A. 1
B. 2
C. 3
D. 4

12. The total amount of FADH2 produced by one turn of the Krebs cycle is 
A. one molecule.
B. two molecules.
C. 15 molecules.
D. 30 molecules.

13. Oxygen is reduced by the actions of the electron transport chain. 
True    False

14. Ammonia is produced by 
A. transamination.
B. oxidative deamination.
C. glycogenolysis.
D. the Cori cycle.

15. Each turn of the Krebs cycle produces 
A. 2 FADH2, 1 ATP, and 3 NADH.
B. 1 FADH2, 1 ATP, and 3 NADH.
C. 3 FADH2, 2 ATP, and 1 NADH.
D. 1 FADH2, 3 ATP, and 2 NADH.

16. Which of the following can undergo metabolic conversion to acetyl CoA and enter the Krebs cycle? 
A. glucose
B. fatty acids
C. protein
D. All of these choices are correct.

17. Nonessential amino acids include 
A. arginine.
B. lysine.
C. methionine.
D. tryptophan.
18. Acetyl CoA 
A. can enter the Krebs cycle.
B. can reversibly form ketone bodies.
C. can directly form pyruvic acid.
D. Both can enter the Krebs cycle and can reversibly form ketone bodies.
19. Keto-acids are produced from amino acids through 
A. transamination.
B. oxidative deamination.
C. beta-oxidation.
D. phosphorylation.
20. A deficiency of ______________ would limit production of coenzyme A. 
A. pantothenic acid
B. linoleic acid
C. folic acid
D. thiamine
21. Coenzyme A is derived from the vitamin riboflavin. 
True    False
22. Anaerobic respiration metabolism regenerates the ______________ required for glycolysis. 
23. The Krebs cycle completes the oxidation of glucose started by glycolysis. 
True    False
24. Acetyl CoA and NAD are the end-products of the Krebs Cycle. 
True    False
25. What is the function of UCP1? 
A. Allows more white fat to accumulate in adipose tissue.
B. Reduces the amount of hydrogens available to make ATP.
C. Provides more body heat from oxidation of fatty acids.
D. Both reduces the amount of hydrogens available to make ATP and provides more body heat from oxidation of fatty acids.