Question 1

When the carbon skeleton of an amino acid is oxidized for energy, the amino group is removed and sent to the liver to produce ________.

Accepted Answer

A)  ammonia
B)  protein
C)  urea
D)  albuminE) C) and D)
F) B) and C)

Question 2

Name 3 basic metabolic processes in the body.

Accepted Answer

Three basic metabolic processes in the b...

Question 3

Ketone bodies are products of incomplete oxidation of fatty acids.

Accepted Answer

A) True 
 B)False

Question 4

The conversion of pyruvate to acetyl-CoA is irreversible.

Accepted Answer

A) True 
 B)False

Question 5

Gluconeogenesis takes place in both the cytosol and the mitochondria.

Accepted Answer

A) True 
 B)False

Question 6

Name two characteristics of inborn errors of metabolism.

Accepted Answer

Inborn errors of metabolism are a group ...

Question 7

In metabolism, glucose is degraded to CO2 and water.The carbon dioxide is produced in ________.

Accepted Answer

A)  the red blood cells
B)  the citric acid cycle
C)  glycolysis
D)  the electron transport chainE) All of the above
F) A) and B)

Question 8

Beta-oxidation is the process by which ________.

Accepted Answer

A)  fatty acids break apart to form acetyl-CoA
B)  glucose breaks apart to form pyruvate
C)  amino groups move from a donor to an acceptor
D)  NADH + H+ and FADH2 are converted to NAD+ and FAD, donating electrons and hydrogen ions to oxygen
E)  energy derived from NADH + H+ and FADH2 is used to generate ATPF) C) and E)
G) C) and D)

Question 9

Why is the mitochondrion called the powerhouse of the cell?

Accepted Answer

The mitochondrion is often referred to a...

Question 10

Oxidative phosphorylation is the process by which ________.

Accepted Answer

A)  fatty acids break apart to form acetyl-CoA
B)  glucose breaks apart to form pyruvate
C)  amino groups move from a donor to an acceptor
D)  NADH + H+ and FADH2 are converted to NAD+ and FAD, donating electrons and hydrogen ions to oxygen
E)  energy derived from NADH + H+ and FADH2 is used to generate ATPF) B) and D)
G) A) and B)

Question 11

Which of the following pathways is the major way in which alcohol is metabolized?

Accepted Answer

A)  pyruvate dehydrogenase pathway
B)  ethanol dehydrogenase pathway
C)  lactate dehydrogenase pathway
D)  alcohol dehydrogenase pathwayE) A) and D)
F) None of the above

Question 12

The common pathway for the oxidation of glucose and fatty acids is ________.

Accepted Answer

A)  glycolysis
B)  the Cori cycle
C)  the citric acid cycle
D)  ketosisE) A) and B)
F) A) and C)

Question 13

If oxygen is present, metabolism is considered to be ________.

Accepted Answer

A)  active
B)  anaerobic
C)  aerobic
D)  inactiveE) A) and D)
F) C) and D)

Question 14

Why do fats yield more energy per gram than proteins or carbohydrates?

Accepted Answer

Fats yield more energy per gram than pro...

Question 15

In the body, excess amino acids are ________.

Accepted Answer

A)  burned as fuel or stored as fat
B)  stored by the body in the form that they were consumed
C)  of no concern to health status
D)  directly converted into lean muscle massE) A) and D)
F) None of the above

Question 16

Gluconeogenesis is the process whereby the body ________.

Accepted Answer

A)  converts glucose to its storage form
B)  retrieves stored glucose from the liver
C)  lowers the glucose level of the blood
D)  produces glucose from amino acid and glycerol moleculesE) B) and C)
F) A) and C)

Question 17

Glycolysis is a process involving ________.

Accepted Answer

A)  synthesis of fatty acids
B)  reactions that convert glucose to glycogen
C)  reactions that convert glucose to pyruvate
D)  reactions that convert glycogen to proteinE) A) and B)
F) B) and D)

Question 18

Typical fatty acids cannot be converted to glucose because ________.

Accepted Answer

A)  they lack sufficient energy
B)  they enter the citric acid cycle at acetyl-CoA and can never reform pyruvate
C)  they can only be synthesized from amino acid skeletons, not fatty acid skeletons
D)  they enter the citric acid cycle as propionyl-CoAE) None of the above
F) B) and C)

Question 19

Transamination is the process by which ________.

Accepted Answer

A)  fatty acids break apart to form acetyl-CoA
B)  glucose breaks apart to form pyruvate
C)  amino groups are transferred from a donor to an acceptor
D)  NADH + H+ and FADH2 are converted to NAD+ and FAD, donating electrons and hydrogen ions to oxygen
E)  energy derived from NADH + H+ and FADH2 is used to generate ATPF) C) and D)
G) A) and E)

Question 20

High amounts of ketones in the blood show that the body is using protein as a fuel source.

Accepted Answer

A) True 
 B)False

Exam 9: Energy Metabolism

Gluconeogenesis is the process whereby the body ________.

Correct AnswerverifiedShow Answer

When the carbon skeleton of an amino acid is oxidized for energy, the amino group is removed and sent to the liver to produce ________.

Correct AnswerverifiedShow Answer

In the body, excess amino acids are ________.

Correct AnswerverifiedShow Answer

If oxygen is present, metabolism is considered to be ________.

Correct AnswerverifiedShow Answer

The conversion of pyruvate to acetyl-CoA is irreversible.

Correct AnswerverifiedShow Answer

Glycolysis is a process involving ________.

Correct AnswerverifiedShow Answer

Oxidative phosphorylation is the process by which ________.

Correct AnswerverifiedShow Answer

Gluconeogenesis takes place in both the cytosol and the mitochondria.

Correct AnswerverifiedShow Answer

Transamination is the process by which ________.

Correct AnswerverifiedShow Answer

Why do fats yield more energy per gram than proteins or carbohydrates?

Correct AnswerAnswered by ExamLex AIFats yield more energy per gram than pro...View AnswerShow Answer

The common pathway for the oxidation of glucose and fatty acids is ________.

Correct AnswerverifiedShow Answer

Name 3 basic metabolic processes in the body.

Correct AnswerAnswered by ExamLex AIThree basic metabolic processes in the b...View AnswerShow Answer

Ketone bodies are products of incomplete oxidation of fatty acids.

Correct AnswerverifiedShow Answer

Typical fatty acids cannot be converted to glucose because ________.

Correct AnswerverifiedShow Answer

Which of the following pathways is the major way in which alcohol is metabolized?

Correct AnswerverifiedShow Answer

Beta-oxidation is the process by which ________.

Correct AnswerverifiedShow Answer

In metabolism, glucose is degraded to CO2 and water.The carbon dioxide is produced in ________.

Correct AnswerverifiedShow Answer

Name two characteristics of inborn errors of metabolism.

Correct AnswerAnswered by ExamLex AIInborn errors of metabolism are a group ...View AnswerShow Answer

High amounts of ketones in the blood show that the body is using protein as a fuel source.

Correct AnswerverifiedShow Answer

Why is the mitochondrion called the powerhouse of the cell?

Correct AnswerAnswered by ExamLex AIThe mitochondrion is often referred to a...View AnswerShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
Fats yield more energy per gram than pro...
View Answer

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
Three basic metabolic processes in the b...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

In metabolism, glucose is degraded to CO₂ and water.The carbon dioxide is produced in ________.

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
Inborn errors of metabolism are a group ...
View Answer

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
The mitochondrion is often referred to a...
View Answer