Question 1

How many molecules of ATP can be produced by the complete oxidation of one molecule of glucose in aerobic respiration?

Accepted Answer

A) 3 
B) 9 
C) 18 
D) 24 
E) 36 
A) 3 
B) 9 
C) 18 
D) 24 
E) 36

Question 2

Which statement concerning regulation of the citric acid cycle is TRUE?

Accepted Answer

A) High levels of ATP inhibit the reactions of the cycle. 
B) High levels of NADH inhibit the reactions of the cycle 
C) Low levels of ATP stimulate the reactions of the cycle. 
D) High levels of ADP stimulate the reactions of the cycle. 
E) All of the statements are true. 
A) High levels of ATP inhibit the reactions of the cycle. 
B) High levels of NADH inhibit the reactions of the cycle 
C) Low levels of ATP stimulate the reactions of the cycle. 
D) High levels of ADP stimulate the reactions of the cycle. 
E) All of the statements are true.

Question 3

Which statement is true concerning aerobic versus anaerobic metabolism?

Accepted Answer

A) Aerobic metabolism is much more efficient than anaerobic metabolism. 
B) Both metabolism methods produce the same amount of energy. 
C) Both metabolism methods yield carbon dioxide. 
D) All multicellular organisms are anaerobic. 
E) In both methods of metabolism much of the energy is lost as heat. 
A) Aerobic metabolism is much more efficient than anaerobic metabolism. 
B) Both metabolism methods produce the same amount of energy. 
C) Both metabolism methods yield carbon dioxide. 
D) All multicellular organisms are anaerobic. 
E) In both methods of metabolism much of the energy is lost as heat.

Question 4

What protein complex in the inner mitochondrial membrane allows protons to return to the matrix?

Accepted Answer

A) cytochrome 
B) electron transport carriers 
C) F0F1 
D) NADH dehydrogenase 
E) porin 
A) cytochrome 
B) electron transport carriers 
C) F0F1 
D) NADH dehydrogenase 
E) porin

Question 5

A portion of the citric acid cycle is shown below.What are the identities of A and B? citrate → A → isocitrate → B

Accepted Answer

A) A = succinate; B = α-ketoglutarate 
B) A = α-ketoglutarate; B = succinate 
C) A = cis-aconitate; B = α-ketoglutarate 
D) A = malate; B = fumarate 
E) A = cis-aconitate; B = oxaloacetate 
A) A = succinate; B = α-ketoglutarate 
B) A = α-ketoglutarate; B = succinate 
C) A = cis-aconitate; B = α-ketoglutarate 
D) A = malate; B = fumarate 
E) A = cis-aconitate; B = oxaloacetate

Question 6

In the final step of the citric acid cycle, malate dehydrogenase reduces NAD+ to NADH.Into what product is malate converted in this reaction?

Accepted Answer

A) citrate 
B) fumarate 
C) oxaloacetate 
D) acetyl CoA 
E) ATP 
A) citrate 
B) fumarate 
C) oxaloacetate 
D) acetyl CoA 
E) ATP

Question 7

Acetyl coenzyme A is central to cellular metabolism.

Accepted Answer

A) True 
 B)False

Question 8

Oxaloacetate is the starting material in the first step of the citric acid cycle and the product of the last step.The last step of the citric acid cycle, the oxidation of malate, is shown below.What is the structure of the oxaloacetate product?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 9

Under what metabolic conditions is pyruvate converted to acetyl CoA?

Accepted Answer

A) sufficient O2 
B) low ATP 
C) high ADP 
D) low NADH 
E) All of these are correct. 
A) sufficient O2 
B) low ATP 
C) high ADP 
D) low NADH 
E) All of these are correct.

How many molecules of ATP can be produced by the complete oxidation of one molecule of glucose in aerobic respiration?

Which statement concerning regulation of the citric acid cycle is TRUE?

Which statement is true concerning aerobic versus anaerobic metabolism?

What protein complex in the inner mitochondrial membrane allows protons to return to the matrix?

A portion of the citric acid cycle is shown below.What are the identities of A and B? citrate → A → isocitrate → B

In the final step of the citric acid cycle, malate dehydrogenase reduces NAD⁺ to NADH.Into what product is malate converted in this reaction?

Acetyl coenzyme A is central to cellular metabolism.

Oxaloacetate is the starting material in the first step of the citric acid cycle and the product of the last step.The last step of the citric acid cycle, the oxidation of malate, is shown below.What is the structure of the oxaloacetate product?

Under what metabolic conditions is pyruvate converted to acetyl CoA?

Chemistry:methods and Measurement

The Structure of the Atom and the Periodic Table

Structure and Properties of Ionic and Covalent Compounds

Calculations, Chemical Changes, and the Chemical Equation

States of Matter- Gases, Liquids, and Solids

Solutions

Energy, Rate and Equilibrium

Acids and Bases

The Nucleus, Radioactivity, and Nuclear Medicine

An Introduction to Organic Chemistry- the Saturated Hydrocarbons

The Unsaturated Hydrocarbons- Alkenes, Alkynes, and Aromatics

Alcohols, Phenols, Thiols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Carboxylic Acid Derivatives

Amines and Amides

Carbohydrates

Lipids and Their Functions in Biochemical Systems

Protein Structure and Function

Enzymes

Introduction to Molecular Genetics

Carbohydrate Metabolism

Fatty Acid Metabolism

Filters

Exam 22: Aerobic Respiration and Energy Production

How many molecules of ATP can be produced by the complete oxidation of one molecule of glucose in aerobic respiration?

Which statement concerning regulation of the citric acid cycle is TRUE?

Which statement is true concerning aerobic versus anaerobic metabolism?

What protein complex in the inner mitochondrial membrane allows protons to return to the matrix?

A portion of the citric acid cycle is shown below.What are the identities of A and B? citrate → A → isocitrate → B

In the final step of the citric acid cycle, malate dehydrogenase reduces NAD+ to NADH.Into what product is malate converted in this reaction?

Acetyl coenzyme A is central to cellular metabolism.

Oxaloacetate is the starting material in the first step of the citric acid cycle and the product of the last step.The last step of the citric acid cycle, the oxidation of malate, is shown below.What is the structure of the oxaloacetate product?

Under what metabolic conditions is pyruvate converted to acetyl CoA?

Chemistry:methods and Measurement

The Structure of the Atom and the Periodic Table

Structure and Properties of Ionic and Covalent Compounds

Calculations, Chemical Changes, and the Chemical Equation

States of Matter- Gases, Liquids, and Solids

Solutions

Energy, Rate and Equilibrium

Acids and Bases

The Nucleus, Radioactivity, and Nuclear Medicine

An Introduction to Organic Chemistry- the Saturated Hydrocarbons

The Unsaturated Hydrocarbons- Alkenes, Alkynes, and Aromatics

Alcohols, Phenols, Thiols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Carboxylic Acid Derivatives

Amines and Amides

Carbohydrates

Lipids and Their Functions in Biochemical Systems

Protein Structure and Function

Enzymes

Introduction to Molecular Genetics

Carbohydrate Metabolism

Fatty Acid Metabolism

Filters

In the final step of the citric acid cycle, malate dehydrogenase reduces NAD⁺ to NADH.Into what product is malate converted in this reaction?