Question 1

In this figure,identify the metabolic substance numbered.  
-process 8

Accepted Answer

citric acid cycle or

Question 2

Which coenzyme is reduced in the following reaction? H H
-   -   - → - C   C-
| | | |

Accepted Answer

A) FAD 
B)    
C) CoQ 
D) NADH 
E)    
A) FAD 
B)    
C) CoQ 
D) NADH 
E)

Question 3

In this figure,identify the metabolic substance numbered.  
-substance 4

Accepted Answer

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

Question 4

The term that refers to all of the chemical reactions in living cells is ________.

Accepted Answer

A) glycolysis 
B) β-oxidation 
C) metabolism 
D) anabolism 
E) catabolism 
A) glycolysis 
B) β-oxidation 
C) metabolism 
D) anabolism 
E) catabolism

Question 5

In reaction 7 of the citric acid cycle,fumarate is converted to malate in a ________ reaction.

Accepted Answer

A) hydrolysis 
B) dehydrogenation 
C) hydrogenation 
D) hydration 
E) dehydration 
A) hydrolysis 
B) dehydrogenation 
C) hydrogenation 
D) hydration 
E) dehydration

Question 6

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 7

Reaction 5 of the citric acid cycle is the hydrolysis of succinyl-CoA.In this reaction,________.

Accepted Answer

A) the energy released is used to make GTP 
B) the energy released is used to make ATP 
C) carbon dioxide is released 
D) α-ketoglutarate is released 
E) the enzyme aconitase is needed 
A) the energy released is used to make GTP 
B) the energy released is used to make ATP 
C) carbon dioxide is released 
D) α-ketoglutarate is released 
E) the enzyme aconitase is needed

Question 8

Which of the three major stages of metabolism includes the citric acid cycle?

Accepted Answer

A) stage one 
B) stage two 
C) stage three 
A) stage one 
B) stage two 
C) stage three

Question 9

In this figure taken from your text,identify the substances shown.  
-substance 18

Accepted Answer

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

Question 10

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 11

Overall,catabolic reactions ________.

Accepted Answer

A) release energy 
B) take in energy 
C) occur mainly in the liver 
D) occur outside the cell membrane 
E) take place in the nucleus of the cell 
A) release energy 
B) take in energy 
C) occur mainly in the liver 
D) occur outside the cell membrane 
E) take place in the nucleus of the cell

Question 12

The action of pancreatic lipase on triacylglycerols produces ________.

Accepted Answer

A) emulsions 
B) micelles 
C) monoacylglycerols and free fatty acids 
D) high-density lipoproteins 
E) low-density lipoproteins 
A) emulsions 
B) micelles 
C) monoacylglycerols and free fatty acids 
D) high-density lipoproteins 
E) low-density lipoproteins

Question 13

The hydrolysis of ATP to ADP is ________.

Accepted Answer

A) endothermic 
B) exothermic 
C) isothermic 
D) an oxidation 
E) a reduction 
A) endothermic 
B) exothermic 
C) isothermic 
D) an oxidation 
E) a reduction

Question 14

Ketosis is a condition that can occur if ________.

Accepted Answer

A) ketone bodies cannot be completely metabolized 
B) too many ketones are ingested 
C) too much protein is available in the diet 
D) the brain is starved of glucose 
E) low fat intake occurs 
A) ketone bodies cannot be completely metabolized 
B) too many ketones are ingested 
C) too much protein is available in the diet 
D) the brain is starved of glucose 
E) low fat intake occurs

Question 15

Most of protein digestion takes place in the mouth.

Accepted Answer

A) True 
 B)False

Question 16

In this figure,identify the metabolic substance numbered.  
-substance 2

Accepted Answer

carbohydra

Question 17

In this figure taken from your text,identify the substances shown.  
-Energy production in the cell occurs primarily in the nucleus.

Accepted Answer

A) True 
 B)False

Question 18

Under aerobic conditions,pyruvate produced in glycolysis can be converted to ________.

Accepted Answer

A) glyceraldehyde-3-phosphate 
B) lactic acid 
C) glucose-6-phosphate 
D) fructose-6-phosphate 
E) acetyl-CoA 
A) glyceraldehyde-3-phosphate 
B) lactic acid 
C) glucose-6-phosphate 
D) fructose-6-phosphate 
E) acetyl-CoA

Question 19

In this figure taken from your text,identify the substances shown.  
-substance 12

Accepted Answer

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

Question 20

In the chemiosmotic model,protons flow through ATP synthase.

Accepted Answer

A) True 
 B)False

In this figure,identify the metabolic substance numbered. -process 8

Which coenzyme is reduced in the following reaction? H H - - - → - C C- | | | |

In this figure,identify the metabolic substance numbered. -substance 4

The term that refers to all of the chemical reactions in living cells is ________.

In reaction 7 of the citric acid cycle,fumarate is converted to malate in a ________ reaction.

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

Reaction 5 of the citric acid cycle is the hydrolysis of succinyl-CoA.In this reaction,________.

Which of the three major stages of metabolism includes the citric acid cycle?

In this figure taken from your text,identify the substances shown. -substance 18

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

Overall,catabolic reactions ________.

The action of pancreatic lipase on triacylglycerols produces ________.

The hydrolysis of ATP to ADP is ________.

Ketosis is a condition that can occur if ________.

Most of protein digestion takes place in the mouth.

In this figure,identify the metabolic substance numbered. -substance 2

In this figure taken from your text,identify the substances shown. -Energy production in the cell occurs primarily in the nucleus.

Under aerobic conditions,pyruvate produced in glycolysis can be converted to ________.

In this figure taken from your text,identify the substances shown. -substance 12

In the chemiosmotic model,protons flow through ATP synthase.

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Exam 18: Metabolic Pathways and Energy Production

In this figure,identify the metabolic substance numbered. -process 8

Which coenzyme is reduced in the following reaction? H H - - - → - C C- | | | |

In this figure,identify the metabolic substance numbered. -substance 4

The term that refers to all of the chemical reactions in living cells is ________.

In reaction 7 of the citric acid cycle,fumarate is converted to malate in a ________ reaction.

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

Reaction 5 of the citric acid cycle is the hydrolysis of succinyl-CoA.In this reaction,________.

Which of the three major stages of metabolism includes the citric acid cycle?

In this figure taken from your text,identify the substances shown. -substance 18

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

Overall,catabolic reactions ________.

The action of pancreatic lipase on triacylglycerols produces ________.

The hydrolysis of ATP to ADP is ________.

Ketosis is a condition that can occur if ________.

Most of protein digestion takes place in the mouth.

In this figure,identify the metabolic substance numbered. -substance 2

In this figure taken from your text,identify the substances shown. -Energy production in the cell occurs primarily in the nucleus.

Under aerobic conditions,pyruvate produced in glycolysis can be converted to ________.

In this figure taken from your text,identify the substances shown. -substance 12

In the chemiosmotic model,protons flow through ATP synthase.

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

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