Question 1

When oxygen is in plentiful supply in the cell,pyruvate is converted to ________.

Accepted Answer

A) CoA 
B) acetyl-CoA 
C) glucose 
D) lactate 
E) fructose 
A) CoA 
B) acetyl-CoA 
C) glucose 
D) lactate 
E) fructose

Question 2

Protein digestion begins in the small intestine.

Accepted Answer

A) True 
 B)False

Question 3

The citric acid cycle reaction that removes the first CO2 molecule is a(n)________.

Accepted Answer

A) oxidation and decarboxylation 
B) reduction 
C) phosphorylation 
D) hydrolysis 
E) hydration 
A) oxidation and decarboxylation 
B) reduction 
C) phosphorylation 
D) hydrolysis 
E) hydration

Question 4

In the process of glycolysis,glucose is converted to ________.

Accepted Answer

A) pyruvate 
B) citrate 
C) sucrose 
D) oxaloacetate 
E) ribose 
A) pyruvate 
B) citrate 
C) sucrose 
D) oxaloacetate 
E) ribose

Question 5

The reduced coenzyme ________ provides two ATP via electron transport.

Accepted Answer

A)  FADH2 
B) NADH 
C) NADPH 
D) CoASH 
E)  FNMH2 
A)  FADH2 
B) NADH 
C) NADPH 
D) CoASH 
E)  FNMH2

Question 6

The main compound used to release energy for metabolism is ________.

Accepted Answer

A) sucrose 
B) glucose phosphate 
C) adenosine triphosphate 
D) ribonucleic acid 
E) NAD+ 
A) sucrose 
B) glucose phosphate 
C) adenosine triphosphate 
D) ribonucleic acid 
E) NAD+

Question 7

The net energy production in anaerobic glycolysis is ________.

Accepted Answer

A) 2 ATP 
B) 4 ATP 
C) 6 ATP 
D) 8 ATP 
E) 12 ATP 
A) 2 ATP 
B) 4 ATP 
C) 6 ATP 
D) 8 ATP 
E) 12 ATP

Question 8

In this figure taken from your text,identify the substances shown.  
-substance 13

Accepted Answer

The answer of In this figure taken from your text,identify...

Question 9

The citric acid cycle involves two decarboxylation reactions.

Accepted Answer

A) True 
 B)False

Question 10

The removal of 2-carbon segments of a fatty acid for further metabolism occurs during ________.

Accepted Answer

A) β-oxidation 
B) transamination 
C) deglyceration 
D) dehydration 
E) decarboxylation 
A) β-oxidation 
B) transamination 
C) deglyceration 
D) dehydration 
E) decarboxylation

Question 11

In this figure,identify the metabolic substance numbered.  
-substance 5

Accepted Answer

The answer of In this figure,identify the metabolic substance numbered....

Question 12

In the first reaction of the citric acid cycle ________.

Accepted Answer

A) glucose becomes pyruvate 
B) ATP is produced 
C) NADH is produced 
D) acetyl-CoA reacts with oxaloacetate to give citrate 
E) pyruvate becomes CO2 and H2O 
A) glucose becomes pyruvate 
B) ATP is produced 
C) NADH is produced 
D) acetyl-CoA reacts with oxaloacetate to give citrate 
E) pyruvate becomes CO2 and H2O

Question 13

In the third reaction of the citric acid cycle, NAD+ is converted to ________.

Accepted Answer

A) NAS- 
B) NAD2+ 
C) NADH2 
D) NAD 
E) NADH 
A) NAS- 
B) NAD2+ 
C) NADH2 
D) NAD 
E) NADH

Question 14

In electron transport,NADH and FADH2 are used to provide ________.

Accepted Answer

A) oxygen 
B) electrons and hydrogen ions 
C) carbon atoms 
D) water and carbon dioxide 
E) thiol groups 
A) oxygen 
B) electrons and hydrogen ions 
C) carbon atoms 
D) water and carbon dioxide 
E) thiol groups

Question 15

The 2-carbon segments removed from a fatty acid during metabolism are used to form ________.

Accepted Answer

A) glucose 
B) pyruvate 
C) lactate 
D) CoA 
E) acetyl-CoA 
A) glucose 
B) pyruvate 
C) lactate 
D) CoA 
E) acetyl-CoA

Question 16

Which of the following metabolic pathways can occur in the absence of oxygen?

Accepted Answer

A) electron transport 
B) oxidative phosphorylation 
C) citric acid cycle 
D) glycolysis 
E) β-oxidation 
A) electron transport 
B) oxidative phosphorylation 
C) citric acid cycle 
D) glycolysis 
E) β-oxidation

Question 17

Chylomicrons consist of bile salts and lipids.

Accepted Answer

A) True 
 B)False

Question 18

During complete oxidation of the fatty acid  ,________ molecules of acetyl-CoA are produced,and the fatty acid goes through the β-oxidation cycle ________ times.

Accepted Answer

A) ten,ten 
B) nine,ten 
C) nine,nine 
D) nine,eight 
E) ten,nine 
A) ten,ten 
B) nine,ten 
C) nine,nine 
D) nine,eight 
E) ten,nine

Question 19

The overall process of glycolysis ________.

Accepted Answer

A) requires oxygen 
B) uses up 4 ATP molecules 
C) requires acetyl-CoA 
D) is an anabolic pathway 
E) produces 2 ATP molecules 
A) requires oxygen 
B) uses up 4 ATP molecules 
C) requires acetyl-CoA 
D) is an anabolic pathway 
E) produces 2 ATP molecules

Question 20

Digestion of a polysaccharide is an anabolic process.

Accepted Answer

A) True 
 B)False

When oxygen is in plentiful supply in the cell,pyruvate is converted to ________.

Protein digestion begins in the small intestine.

The citric acid cycle reaction that removes the first CO₂ molecule is a(n)________.

In the process of glycolysis,glucose is converted to ________.

The reduced coenzyme ________ provides two ATP via electron transport.

The main compound used to release energy for metabolism is ________.

The net energy production in anaerobic glycolysis is ________.

In this figure taken from your text,identify the substances shown. -substance 13

The citric acid cycle involves two decarboxylation reactions.

The removal of 2-carbon segments of a fatty acid for further metabolism occurs during ________.

In this figure,identify the metabolic substance numbered. -substance 5

In the first reaction of the citric acid cycle ________.

In the third reaction of the citric acid cycle, NAD⁺ is converted to ________.

In electron transport,NADH and FADH₂ are used to provide ________.

The 2-carbon segments removed from a fatty acid during metabolism are used to form ________.

Which of the following metabolic pathways can occur in the absence of oxygen?

Chylomicrons consist of bile salts and lipids.

During complete oxidation of the fatty acid , molecules of acetyl-CoA are produced,and the fatty acid goes through the β-oxidation cycle times.

The overall process of glycolysis ________.

Digestion of a polysaccharide is an anabolic process.

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, Thiols, Ethers, Aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, Esters, Amines, and Amides

Lipids

Amino Acids, Proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Filters

Exam 18: Metabolic Pathways and Energy Production

When oxygen is in plentiful supply in the cell,pyruvate is converted to ________.

Protein digestion begins in the small intestine.

The citric acid cycle reaction that removes the first CO2 molecule is a(n)________.

In the process of glycolysis,glucose is converted to ________.

The reduced coenzyme ________ provides two ATP via electron transport.

The main compound used to release energy for metabolism is ________.

The net energy production in anaerobic glycolysis is ________.

In this figure taken from your text,identify the substances shown. -substance 13

The citric acid cycle involves two decarboxylation reactions.

The removal of 2-carbon segments of a fatty acid for further metabolism occurs during ________.

In this figure,identify the metabolic substance numbered. -substance 5

In the first reaction of the citric acid cycle ________.

In the third reaction of the citric acid cycle, NAD+ is converted to ________.

In electron transport,NADH and FADH2 are used to provide ________.

The 2-carbon segments removed from a fatty acid during metabolism are used to form ________.

Which of the following metabolic pathways can occur in the absence of oxygen?

Chylomicrons consist of bile salts and lipids.

During complete oxidation of the fatty acid ,________ molecules of acetyl-CoA are produced,and the fatty acid goes through the β-oxidation cycle ________ times.

The overall process of glycolysis ________.

Digestion of a polysaccharide is an anabolic process.

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, Thiols, Ethers, Aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, Esters, Amines, and Amides

Lipids

Amino Acids, Proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Filters

The citric acid cycle reaction that removes the first CO₂ molecule is a(n)________.

In the third reaction of the citric acid cycle, NAD⁺ is converted to ________.

In electron transport,NADH and FADH₂ are used to provide ________.

During complete oxidation of the fatty acid , molecules of acetyl-CoA are produced,and the fatty acid goes through the β-oxidation cycle times.