Question 1

The structure of coenzyme A contains amine and amide functional groups.

Accepted Answer

A) True 
 B)False

Question 2

Considering the energy changes associated with the individual reactions below, which reaction can be coupled with the hydrolysis of ATP to generate a coupled reaction that is energetically favorable?

Accepted Answer

A) fructose 6-phosphate + HPO42-      fructose 1, 6-bisphosphate + H2O 
B) succinate + HSCoA + HPO42-      succinyl CoA + H2O 
C) 3-phosphoglycerate + HPO42-      1, 3-bisphosphoglycerate + H2O 
D) All of the reactions can be coupled with the hydrolysis of ATP to generate a coupled reaction that is energetically favorable. 
A) fructose 6-phosphate + HPO42-      fructose 1, 6-bisphosphate + H2O 
B) succinate + HSCoA + HPO42-      succinyl CoA + H2O 
C) 3-phosphoglycerate + HPO42-      1, 3-bisphosphoglycerate + H2O 
D) All of the reactions can be coupled with the hydrolysis of ATP to generate a coupled reaction that is energetically favorable.

Question 3

Which statement best describes how the interconversion of ATP and ADP is responsible for storing and providing energy for cellular reactions?

Accepted Answer

A) The energy stored in ADP is released when ATP is synthesized. 
B) The energy required to phosphorylate ADP is stored in ATP, and released when ATP undergoes hydrolysis. 
C) The energy released in the phosphorylation of ADP can be coupled with unfavorable reactions within the cell. 
D) The energy required to hydrolyze ATP comes from the energy producing reactions in the cell; the energy lost is then stored in ATP. 
A) The energy stored in ADP is released when ATP is synthesized. 
B) The energy required to phosphorylate ADP is stored in ATP, and released when ATP undergoes hydrolysis. 
C) The energy released in the phosphorylation of ADP can be coupled with unfavorable reactions within the cell. 
D) The energy required to hydrolyze ATP comes from the energy producing reactions in the cell; the energy lost is then stored in ATP.

Question 4

Part [2] of the citric acid cycle includes two separate decarboxylation reactions and a hydrolysis reaction.

Accepted Answer

A) True 
 B)False

Question 5

Coupled reactions are pairs of reactions that occur together so that the energy released by one reaction provides the energy to drive the other reaction.

Accepted Answer

A) True 
 B)False

Question 6

The terms phosphorylation and oxidative phosphorylation may be used interchangeably.

Accepted Answer

A) True 
 B)False

Question 7

Which is the first stage of catabolism?

Accepted Answer

A) digestion 
B) citric acid cycle 
C) fatty acid oxidation 
D) glycolysis 
E) formation of acetyl CoA 
A) digestion 
B) citric acid cycle 
C) fatty acid oxidation 
D) glycolysis 
E) formation of acetyl CoA

Question 8

How many reactions make up the citric acid cycle?

Accepted Answer

A) 3 
B) 4 
C) 6 
D) 8 
A) 3 
B) 4 
C) 6 
D) 8

Question 9

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 to oxaloacetate, is shown. What is the structure of oxaloacetate?

Accepted Answer

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

Question 10

Any energy requiring reaction can be coupled with ATP hydrolysis to create an energetically favorable coupled reaction.

Accepted Answer

A) True 
 B)False

Question 11

How many molecules of GTP are produced for each turn of the citric acid cycle?

Accepted Answer

A) 1 
B) 2 
C) 4 
D) 8 
A) 1 
B) 2 
C) 4 
D) 8

Question 12

_____ is the breakdown of large molecules into smaller ones.

Accepted Answer

The answer of _____ is the breakdown of large molecules...

The structure of coenzyme A contains amine and amide functional groups.

Considering the energy changes associated with the individual reactions below, which reaction can be coupled with the hydrolysis of ATP to generate a coupled reaction that is energetically favorable?

Which statement best describes how the interconversion of ATP and ADP is responsible for storing and providing energy for cellular reactions?

Part [2] of the citric acid cycle includes two separate decarboxylation reactions and a hydrolysis reaction.

Coupled reactions are pairs of reactions that occur together so that the energy released by one reaction provides the energy to drive the other reaction.

The terms phosphorylation and oxidative phosphorylation may be used interchangeably.

Which is the first stage of catabolism?

How many reactions make up the citric acid cycle?

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 to oxaloacetate, is shown. What is the structure of oxaloacetate?

Any energy requiring reaction can be coupled with ATP hydrolysis to create an energetically favorable coupled reaction.

How many molecules of GTP are produced for each turn of the citric acid cycle?

_____ is the breakdown of large molecules into smaller ones.

Matter and Measurement

Atoms and the Periodic Table

Ionic Compounds

Covalent Compounds

Chemical Reactions

Energy Changes, Reaction Rates, and Equilibrium

Gases, Liquids, and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Molecules and Functional Groups

Alkanes

Unsaturated Hydrocarbons

Organic Compounds That Contain Oxygen, Halogen, or Sulfur

The Three-Dimensional Shape of Molecules

Aldehydes and Ketones

Carboxylic Acids, Esters, and Amides

Amines and Neurotransmitters

Lipids

Carbohydrates

Amino Acids, Proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Carbohydrate, Lipid, and Protein Metabolism

Filters

Exam 23: Digestion and the Conversion of Food Into Energy

The structure of coenzyme A contains amine and amide functional groups.

Considering the energy changes associated with the individual reactions below, which reaction can be coupled with the hydrolysis of ATP to generate a coupled reaction that is energetically favorable?

Which statement best describes how the interconversion of ATP and ADP is responsible for storing and providing energy for cellular reactions?

Part [2] of the citric acid cycle includes two separate decarboxylation reactions and a hydrolysis reaction.

Coupled reactions are pairs of reactions that occur together so that the energy released by one reaction provides the energy to drive the other reaction.

The terms phosphorylation and oxidative phosphorylation may be used interchangeably.

Which is the first stage of catabolism?

How many reactions make up the citric acid cycle?

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 to oxaloacetate, is shown. What is the structure of oxaloacetate?

Any energy requiring reaction can be coupled with ATP hydrolysis to create an energetically favorable coupled reaction.

How many molecules of GTP are produced for each turn of the citric acid cycle?

_____ is the breakdown of large molecules into smaller ones.

Matter and Measurement

Atoms and the Periodic Table

Ionic Compounds

Covalent Compounds

Chemical Reactions

Energy Changes, Reaction Rates, and Equilibrium

Gases, Liquids, and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Molecules and Functional Groups

Alkanes

Unsaturated Hydrocarbons

Organic Compounds That Contain Oxygen, Halogen, or Sulfur

The Three-Dimensional Shape of Molecules

Aldehydes and Ketones

Carboxylic Acids, Esters, and Amides

Amines and Neurotransmitters

Lipids

Carbohydrates

Amino Acids, Proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Carbohydrate, Lipid, and Protein Metabolism

Filters