31. How many steps are involved in the TCA cycle?

A. 2

B. 4

C. 6

D. 8

32. Which of the following compounds cannot be used to produce glucose?

A. amino acids

B. fatty acids

C. glycerol

D. All of the above can be used to make glucose.

33. Which of the following compounds can be stored as fat?

A. glucose

B. amino acids

C. glycerol

D. All of the above can be stored as fat.

34. Which of the following reactions is favored when you ingest more kilocalories than you can use to produce energy?

A. anabolic

B. catabolic

C. lipolysis

D. all of the above

35. How many carbons are in a molecule of pyruvate?

A. 1

B. 2

C. 3

D. 4

36. Fatty acids are oxidized in the mitochondria through what process?

A. lipolysis

B. lipogenesis

C. deamination

D. beta-oxidation

37. Which metabolic process refers to the production of glucose from noncarbohydrate sources?

A. glycolysis

B. glycogenesis

C. glycogenolysis

D. gluconeogenesis

38. Which metabolic process refers to the breakdown of glycogen to glucose?

A. glycolysis

B. glycogenesis

C. glycogenolysis

D. gluconeogenesis

39. Combining energy drinks with alcohol may have what effect?

A. lowered heart rate

B. enhanced coordination

C. higher risk of injury

D. greater sense of intoxication

40. What health problems can result from phenylketonuria?

A. diabetes

B. heart disease

C. mental retardation

D. pulmonary defects