Question 1

The final electron acceptor in aerobic cell respiration is

Accepted Answer

A) water. 
B) oxygen. 
C) carbon dioxide. 
D) ATP. 
A) water. 
B) oxygen. 
C) carbon dioxide. 
D) ATP. B

Question 2

Keto-acids are produced from amino acid through

Accepted Answer

A) transamination. 
B) deamination. 
C) beta-oxidation. 
D) phosphorylation. 
A) transamination. 
B) deamination. 
C) beta-oxidation. 
D) phosphorylation. A

Question 3

The importance of the Krebs cycle in energy production is the formation of significant amounts of

Accepted Answer

A) ATP. 
B) lactic acid. 
C) NADH. 
D) carbon dioxide. 
A) ATP. 
B) lactic acid. 
C) NADH. 
D) carbon dioxide. C

Question 4

The primary site of ketone body synthesis is

Accepted Answer

A) the lung. 
B) the kidney. 
C) the liver. 
D) adipose tissue. 
A) the lung. 
B) the kidney. 
C) the liver. 
D) adipose tissue.

Question 5

The TCA cycle occurs in mitochondria.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is NOT a main substrate for gluconeogenesis?

Accepted Answer

A) lactic acid 
B) glycerol 
C) pyruvic acid 
D) alanine 
A) lactic acid 
B) glycerol 
C) pyruvic acid 
D) alanine

Question 7

The presence of elevated ATP in the cell stimulates synthesis of

Accepted Answer

A) proteins and glycogen. 
B) triglycerides and proteins. 
C) triglycerides and glycogen. 
D) proteins and cholesterol. 
A) proteins and glycogen. 
B) triglycerides and proteins. 
C) triglycerides and glycogen. 
D) proteins and cholesterol.

Question 8

Each turn of the Krebs cycle produces

Accepted Answer

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. 
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.

Question 9

To go through glycolysis, _________ ATP per glucose molecule must be "invested" in order to activate the glucose molecule.

Accepted Answer

A) one 
B) two 
C) three 
D) four 
A) one 
B) two 
C) three 
D) four

Question 10

The electron transport system is a series of _________ reactions.

Accepted Answer

A) composition-decomposition 
B) dehydration synthesis-hydrolysis 
C) oxidation-reduction 
D) reversible 
A) composition-decomposition 
B) dehydration synthesis-hydrolysis 
C) oxidation-reduction 
D) reversible

Question 11

Cyanide is lethal because it blocks the oxidation of oxygen in the electron transport chain system.

Accepted Answer

A) True 
 B)False

Question 12

How many ATP would be formed from an 18 carbon fatty acid?

Accepted Answer

A) 32 
B) 60 
C) 90 
D) 122 
A) 32 
B) 60 
C) 90 
D) 122

Question 13

How many hydrogens are released in glycolysis?

Accepted Answer

A) one 
B) two 
C) three 
D) four 
A) one 
B) two 
C) three 
D) four

Question 14

The actual yield of ATP from 1 glucose is

Accepted Answer

A) 18-20 ATP. 
B) 36-38 ATP. 
C) 30-32 ATP. 
D) 26-28 ATP. 
A) 18-20 ATP. 
B) 36-38 ATP. 
C) 30-32 ATP. 
D) 26-28 ATP.

Question 15

______________ normally only produce ATP by aerobic respiration.

Accepted Answer

A) Red blood cells 
B) Cardiac muscle cells 
C) Skeletal muscle cells 
D) Skin cells 
A) Red blood cells 
B) Cardiac muscle cells 
C) Skeletal muscle cells 
D) Skin cells

Question 16

Individuals in a positive nitrogen balance are metabolizing body tissues for energy.

Accepted Answer

A) True 
 B)False

Question 17

Nonessential amino acids include

Accepted Answer

A) arginine. 
B) lysine. 
C) methionine. 
D) tryptophan. 
A) arginine. 
B) lysine. 
C) methionine. 
D) tryptophan.

Question 18

Theoretically, complete catabolism of glucose generates a maximum of 32 ATP.

Accepted Answer

A) True 
 B)False

Question 19

During the conversion of one pyruvic acid to acetyl coenzyme A, ______________ molecule(s) of carbon dioxide is/are produced.

Accepted Answer

A) no 
B) one 
C) two 
D) four 
A) no 
B) one 
C) two 
D) four

Question 20

ATP formation in the electron transport system is called

Accepted Answer

A) substrate level phosphorylation. 
B) oxidative phosphorylation. 
C) direct phosphorylation. 
D) Both substrate level phosphorylation and direct phosphorylation are correct. 
A) substrate level phosphorylation. 
B) oxidative phosphorylation. 
C) direct phosphorylation. 
D) Both substrate level phosphorylation and direct phosphorylation are correct.

The final electron acceptor in aerobic cell respiration is

Keto-acids are produced from amino acid through

The importance of the Krebs cycle in energy production is the formation of significant amounts of

The primary site of ketone body synthesis is

The TCA cycle occurs in mitochondria.

Which of the following is NOT a main substrate for gluconeogenesis?

The presence of elevated ATP in the cell stimulates synthesis of

Each turn of the Krebs cycle produces

To go through glycolysis, _________ ATP per glucose molecule must be "invested" in order to activate the glucose molecule.

The electron transport system is a series of _________ reactions.

Cyanide is lethal because it blocks the oxidation of oxygen in the electron transport chain system.

How many ATP would be formed from an 18 carbon fatty acid?

How many hydrogens are released in glycolysis?

The actual yield of ATP from 1 glucose is

______________ normally only produce ATP by aerobic respiration.

Individuals in a positive nitrogen balance are metabolizing body tissues for energy.

Nonessential amino acids include

Theoretically, complete catabolism of glucose generates a maximum of 32 ATP.

During the conversion of one pyruvic acid to acetyl coenzyme A, ______________ molecule(s) of carbon dioxide is/are produced.

ATP formation in the electron transport system is called

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Enzymes and Energy

Interactions Between Cells and The Extracellular Environment

The Nervous System

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands

Muscle

Blood, Heart, and Circulation

Cardiac Output, Blood Flow, and Bloodpressure

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation of Metabolism

Reproduction

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Exam 5: Cell Respiration and Metabolism

The final electron acceptor in aerobic cell respiration is

Keto-acids are produced from amino acid through

The importance of the Krebs cycle in energy production is the formation of significant amounts of

The primary site of ketone body synthesis is

The TCA cycle occurs in mitochondria.

Which of the following is NOT a main substrate for gluconeogenesis?

The presence of elevated ATP in the cell stimulates synthesis of

Each turn of the Krebs cycle produces

To go through glycolysis, _________ ATP per glucose molecule must be "invested" in order to activate the glucose molecule.

The electron transport system is a series of _________ reactions.

Cyanide is lethal because it blocks the oxidation of oxygen in the electron transport chain system.

How many ATP would be formed from an 18 carbon fatty acid?

How many hydrogens are released in glycolysis?

The actual yield of ATP from 1 glucose is

______________ normally only produce ATP by aerobic respiration.

Individuals in a positive nitrogen balance are metabolizing body tissues for energy.

Nonessential amino acids include

Theoretically, complete catabolism of glucose generates a maximum of 32 ATP.

During the conversion of one pyruvic acid to acetyl coenzyme A, ______________ molecule(s) of carbon dioxide is/are produced.

ATP formation in the electron transport system is called

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Enzymes and Energy

Interactions Between Cells and The Extracellular Environment

The Nervous System

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands

Muscle

Blood, Heart, and Circulation

Cardiac Output, Blood Flow, and Bloodpressure

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation of Metabolism

Reproduction

Filters