Question 1

Which of the following is a superoxide radical?

Accepted Answer

A) an oxygen molecule with an extra,unpaired electron 
B) an oxygen molecule with two paired electrons 
C) hydrogen peroxide 
D) All apply 
A) an oxygen molecule with an extra,unpaired electron 
B) an oxygen molecule with two paired electrons 
C) hydrogen peroxide 
D) All apply

Question 2

Oxygen is reduced by the action of the electron transport chain.

Accepted Answer

A) True 
 B)False

Question 3

Glucose formed from amino acids comes from the process of glycogenolysis.

Accepted Answer

A) True 
 B)False

Question 4

What is the function of UCPI?

Accepted Answer

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. 
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.

Question 5

Keto-acids are produced from amino acids through

Accepted Answer

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

Question 6

What type of tissue is especially dependent on adequate plasma glucose levels?

Accepted Answer

A) skeletal muscle 
B) cardiac muscle 
C) nervous 
D) liver 
A) skeletal muscle 
B) cardiac muscle 
C) nervous 
D) liver

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

How many H+ do the first two proton pumps of the electron transport system transport?

Accepted Answer

A) 2 each 
B) 3 each 
C) 4 each 
D) 8 each 
A) 2 each 
B) 3 each 
C) 4 each 
D) 8 each

Question 9

Glycolysis would be inhibited by

Accepted Answer

A) a lack of oxygen. 
B) an excess of ATP. 
C) an excess of ADP. 
D) None apply. 
A) a lack of oxygen. 
B) an excess of ATP. 
C) an excess of ADP. 
D) None apply.

Question 10

The electron transport chain system is responsible for the production of the majority of cellular ATP.

Accepted Answer

A) True 
 B)False

Question 11

Each pair of hydrogens generated in glycolysis are used to

Accepted Answer

A) reduce 2 molecules of NAD. 
B) oxidize 2 molecules of NAD. 
C) reduce 2 molecules of FAD. 
D) oxidize 2 molecules of FAD. 
A) reduce 2 molecules of NAD. 
B) oxidize 2 molecules of NAD. 
C) reduce 2 molecules of FAD. 
D) oxidize 2 molecules of FAD.

Question 12

Most of the glucose secreted by the liver during fasting is due to

Accepted Answer

A) glycogenolysis. 
B) gluconeogenesis. 
C) lipolysis. 
D) deamination. 
A) glycogenolysis. 
B) gluconeogenesis. 
C) lipolysis. 
D) deamination.

Question 13

What vitamin is a required coenzyme for transamination?

Accepted Answer

A) B3 
B) B6 
C) B9 
D) B12 
A) B3 
B) B6 
C) B9 
D) B12

Question 14

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.

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

Nonessential amino acids include

Accepted Answer

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

Question 17

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 18

Anaerobic respiration metabolism is triggered when the ratio of ______________ falls below a critical level.

Accepted Answer

A) carbon dioxide supply to oxygen need 
B) oxygen supply to glucose need 
C) glucose supply to glucose need 
D) oxygen supply to oxygen need 
A) carbon dioxide supply to oxygen need 
B) oxygen supply to glucose need 
C) glucose supply to glucose need 
D) oxygen supply to oxygen need

Question 19

Each turn of the citric acid cycle directly produces ______________ molecule(s)of ATP.

Accepted Answer

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

Question 20

______________ is the opposite of glycogenesis.

Accepted Answer

A) Glycolysis 
B) Glyconeogenesis 
C) Glycogenolysis 
D) Gluconeogenesis 
A) Glycolysis 
B) Glyconeogenesis 
C) Glycogenolysis 
D) Gluconeogenesis

Which of the following is a superoxide radical?

Oxygen is reduced by the action of the electron transport chain.

Glucose formed from amino acids comes from the process of glycogenolysis.

What is the function of UCPI?

Keto-acids are produced from amino acids through

What type of tissue is especially dependent on adequate plasma glucose levels?

The presence of elevated ATP in the cell stimulates synthesis of

How many H⁺ do the first two proton pumps of the electron transport system transport?

Glycolysis would be inhibited by

The electron transport chain system is responsible for the production of the majority of cellular ATP.

Each pair of hydrogens generated in glycolysis are used to

Most of the glucose secreted by the liver during fasting is due to

What vitamin is a required coenzyme for transamination?

ATP formation in the electron transport system is called

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

Nonessential amino acids include

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

Anaerobic respiration metabolism is triggered when the ratio of ______________ falls below a critical level.

Each turn of the citric acid cycle directly produces ______________ molecule(s)of ATP.

______________ is the opposite of glycogenesis.

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,heart and Circulation

Cardiac Output, blood Flow, and Blood Pressure

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

Filters

Exam 5: Cell Respiration and Metabolism

Which of the following is a superoxide radical?

Oxygen is reduced by the action of the electron transport chain.

Glucose formed from amino acids comes from the process of glycogenolysis.

What is the function of UCPI?

Keto-acids are produced from amino acids through

What type of tissue is especially dependent on adequate plasma glucose levels?

The presence of elevated ATP in the cell stimulates synthesis of

How many H+ do the first two proton pumps of the electron transport system transport?

Glycolysis would be inhibited by

The electron transport chain system is responsible for the production of the majority of cellular ATP.

Each pair of hydrogens generated in glycolysis are used to

Most of the glucose secreted by the liver during fasting is due to

What vitamin is a required coenzyme for transamination?

ATP formation in the electron transport system is called

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

Nonessential amino acids include

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

Anaerobic respiration metabolism is triggered when the ratio of ______________ falls below a critical level.

Each turn of the citric acid cycle directly produces ______________ molecule(s)of ATP.

______________ is the opposite of glycogenesis.

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,heart and Circulation

Cardiac Output, blood Flow, and Blood Pressure

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

Filters

How many H⁺ do the first two proton pumps of the electron transport system transport?