Question 1

In an oxidation-reduction reaction, the species that gains electrons is

Accepted Answer

A)  oxygen. 
B)  oxidized. 
C)  hydrogen. 
D)  reduced. 
E)  carbon. 
A)  oxygen. 
B)  oxidized. 
C)  hydrogen. 
D)  reduced. 
E)  carbon.

Question 2

Is the ketone oxidized or reduced during this reaction, and how can you tell?

Accepted Answer

A)  Neither.This is not an oxidation-reduction reaction. 
B)  The ketone is both oxidized and reduced because this is an oxidation-reduction reaction. 
C)  The ketone is oxidized because it loses two hydrogens. 
D)  The ketone is reduced because it loses two hydrogens. 
E)  The ketone is reduced because it gains two hydrogens. 
A)  Neither.This is not an oxidation-reduction reaction. 
B)  The ketone is both oxidized and reduced because this is an oxidation-reduction reaction. 
C)  The ketone is oxidized because it loses two hydrogens. 
D)  The ketone is reduced because it loses two hydrogens. 
E)  The ketone is reduced because it gains two hydrogens.

Question 3

Which of the following partial structures is an acyl group?

Accepted Answer

A)  structure a 
B)  structure b 
C)  structure c 
D)  structure d 
E)  structure e 
A)  structure a 
B)  structure b 
C)  structure c 
D)  structure d 
E)  structure e

Question 4

After an amide is hydrolyzed, it undergoes further reaction.Which occurs after an amide is hydrolyzed?

Accepted Answer

A)  hydration 
B)  dehydration 
C)  an acid-base reaction 
D)  another hydrolysis 
E)  condensation 
A)  hydration 
B)  dehydration 
C)  an acid-base reaction 
D)  another hydrolysis 
E)  condensation

Question 5

Which amide has a line through the bond that is broken during hydrolysis?

Accepted Answer

A)  amide a 
B)  amide b 
C)  amide c 
D)  amide d 
E)  amide e 
A)  amide a 
B)  amide b 
C)  amide c 
D)  amide d 
E)  amide e

Question 6

The following reaction is an example of a(n)

Accepted Answer

A)  neutralization. 
B)  combustion. 
C)  oxidation. 
D)  reduction. 
E)  condensation. 
A)  neutralization. 
B)  combustion. 
C)  oxidation. 
D)  reduction. 
E)  condensation.

Question 7

How is ethanol metabolized in the liver?

Accepted Answer

A)  Ethanol is metabolized by a series of reduction reactions to produce ethane gas. 
B)  Ethanol is metabolized by a series of oxidation reactions to produce lactic acid and water. 
C)  Ethanol is not metabolized, but rather it is excreted as a poison by the kidneys. 
D)  Ethanol is metabolized by a series of oxidation reactions to produce carbon dioxide and water. 
E)  None of these is correct. 
A)  Ethanol is metabolized by a series of reduction reactions to produce ethane gas. 
B)  Ethanol is metabolized by a series of oxidation reactions to produce lactic acid and water. 
C)  Ethanol is not metabolized, but rather it is excreted as a poison by the kidneys. 
D)  Ethanol is metabolized by a series of oxidation reactions to produce carbon dioxide and water. 
E)  None of these is correct.

Question 8

An amide is hydrolyzed as is shown in the following reaction.After it is hydrolyzed, it undergoes another reaction.Which choice represents the products of this further reaction?

Accepted Answer

A)  There is no further reaction. 
B)    
C)    
D)    
E)    
A)  There is no further reaction. 
B)    
C)    
D)    
E)

Question 9

Fortified foods are

Accepted Answer

A)  foods naturally high in vitamins. 
B)  foods in which all needed vitamins have been added. 
C)  processed foods, which have always had vitamins added to replace those lost in processing. 
D)  foods which have vitamins added to them. 
E)  None of these is correct. 
A)  foods naturally high in vitamins. 
B)  foods in which all needed vitamins have been added. 
C)  processed foods, which have always had vitamins added to replace those lost in processing. 
D)  foods which have vitamins added to them. 
E)  None of these is correct.

Question 10

FAD and NAD+ are examples of

Accepted Answer

A)  enzymes. 
B)  coenzymes. 
C)  vitamins. 
D)  substrates. 
E)  inhibitors. 
A)  enzymes. 
B)  coenzymes. 
C)  vitamins. 
D)  substrates. 
E)  inhibitors.

Question 11

Which reaction is NOT an example of an oxidation-reduction reaction?

Accepted Answer

A)  CH3COOH + NH3 → CH3COO- + NH4+ 
B)  CH3CH2CH=CH2 + H2 → CH3CH2CH2CH3 
C)    
D)    
E)    
A)  CH3COOH + NH3 → CH3COO- + NH4+ 
B)  CH3CH2CH=CH2 + H2 → CH3CH2CH2CH3 
C)    
D)    
E)

Question 12

What is the product of the following amidation reaction?

Accepted Answer

A)  product a 
B)  product b 
C)  product c 
D)  product d 
E)  product e 
A)  product a 
B)  product b 
C)  product c 
D)  product d 
E)  product e

Question 13

What is the product of the following reaction?

Accepted Answer

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

Question 14

The following reaction is an example of a(n)___________ reaction. CH4 + 2O2 → CO2 + 2H2O
I.Oxidation-reduction
II.Acid-base
III.Combustion

Accepted Answer

A)  I only 
B)  I and II only 
C)  III only 
D)  I and III only 
E)  I, II, and III 
A)  I only 
B)  I and II only 
C)  III only 
D)  I and III only 
E)  I, II, and III

Question 15

What is the missing reactant for the following reaction?

Accepted Answer

A)  structure a 
B)  structure b 
C)  structure c 
D)  structure d 
E)  structure e 
A)  structure a 
B)  structure b 
C)  structure c 
D)  structure d 
E)  structure e

Question 16

What type of reaction is this?

Accepted Answer

A)  oxidation 
B)  reduction 
C)  combustion 
D)  hydration 
E)  dehydration 
A)  oxidation 
B)  reduction 
C)  combustion 
D)  hydration 
E)  dehydration

Question 17

Which characteristic is NOT shared by all combustion reactions?

Accepted Answer

A)  They occur in multiple steps. 
B)  They require oxygen. 
C)  They release water and carbon dioxide. 
D)  They are exothermic. 
E)  They are a type of oxidation-reduction reaction. 
A)  They occur in multiple steps. 
B)  They require oxygen. 
C)  They release water and carbon dioxide. 
D)  They are exothermic. 
E)  They are a type of oxidation-reduction reaction.

Question 18

Select the TRUE statement regarding vitamins.

Accepted Answer

A)  Vitamins are organic molecules required by enzymes. 
B)  Vitamins must be supplied regularly through the diet. 
C)  Riboflavin, vitamin B2, is converted to FAD/FADH2. 
D)  Insufficient vitamin intake can lead to deficiency diseases. 
E)  All of the above are true about vitamins. 
A)  Vitamins are organic molecules required by enzymes. 
B)  Vitamins must be supplied regularly through the diet. 
C)  Riboflavin, vitamin B2, is converted to FAD/FADH2. 
D)  Insufficient vitamin intake can lead to deficiency diseases. 
E)  All of the above are true about vitamins.

Question 19

Select the TRUE statement regarding vitamins.

Accepted Answer

A)  Everyone should take a vitamin supplement. 
B)  Certain people, such as pregnant women, may benefit from vitamin supplements. 
C)  No one should take a vitamin supplement. 
D)  Only certain vitamins are needed in supplement form. 
E)  Even a healthy diet cannot supply all the necessary vitamins. 
A)  Everyone should take a vitamin supplement. 
B)  Certain people, such as pregnant women, may benefit from vitamin supplements. 
C)  No one should take a vitamin supplement. 
D)  Only certain vitamins are needed in supplement form. 
E)  Even a healthy diet cannot supply all the necessary vitamins.

Question 20

Which ester has a line through the bond(s)that is broken during hydrolysis?

Accepted Answer

A)  ester a 
B)  ester b 
C)  ester c 
D)  ester d 
E)  ester e 
A)  ester a 
B)  ester b 
C)  ester c 
D)  ester d 
E)  ester e

In an oxidation-reduction reaction, the species that gains electrons is

Is the ketone oxidized or reduced during this reaction, and how can you tell?

Which of the following partial structures is an acyl group?

After an amide is hydrolyzed, it undergoes further reaction.Which occurs after an amide is hydrolyzed?

Which amide has a line through the bond that is broken during hydrolysis?

The following reaction is an example of a(n)

How is ethanol metabolized in the liver?

An amide is hydrolyzed as is shown in the following reaction.After it is hydrolyzed, it undergoes another reaction.Which choice represents the products of this further reaction?

Fortified foods are

FAD and NAD⁺ are examples of

Which reaction is NOT an example of an oxidation-reduction reaction?

What is the product of the following amidation reaction?

What is the product of the following reaction?

The following reaction is an example of a(n)___________ reaction. CH₄ + 2O₂ → CO₂ + 2H₂O I.Oxidation-reduction II.Acid-base III.Combustion

What is the missing reactant for the following reaction?

What type of reaction is this?

Which characteristic is NOT shared by all combustion reactions?

Select the TRUE statement regarding vitamins.

Select the TRUE statement regarding vitamins.

Which ester has a line through the bond(s)that is broken during hydrolysis?

Matter, Energy, and Measurement

Atomic Structure and Radioisotopes

Ionic and Covalent Compounds

Molecular Geometry, Polarity, and Intermolecular

Chemical Quantities and Introduction to Reactions

Chemical Reactions: Energy, Rates, and Equilibrium

Changes of State and Gas Laws

Mixtures, Solution Concentrations, and Diffusion

Acids and Bases, Ph, and Buffers

Introduction to Organic Chemistry:

Alcohols, Phenols, Thiols, Ethers, and Amines

The Carbonyl Containing Functional Groups

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Exam 13: The Common Organic Reactions in Biochemistry

In an oxidation-reduction reaction, the species that gains electrons is

Is the ketone oxidized or reduced during this reaction, and how can you tell?

Which of the following partial structures is an acyl group?

After an amide is hydrolyzed, it undergoes further reaction.Which occurs after an amide is hydrolyzed?

Which amide has a line through the bond that is broken during hydrolysis?

The following reaction is an example of a(n)

How is ethanol metabolized in the liver?

An amide is hydrolyzed as is shown in the following reaction.After it is hydrolyzed, it undergoes another reaction.Which choice represents the products of this further reaction?

Fortified foods are

FAD and NAD+ are examples of

Which reaction is NOT an example of an oxidation-reduction reaction?

What is the product of the following amidation reaction?

What is the product of the following reaction?

The following reaction is an example of a(n)___________ reaction. CH4 + 2O2 → CO2 + 2H2O I.Oxidation-reduction II.Acid-base III.Combustion

What is the missing reactant for the following reaction?

What type of reaction is this?

Which characteristic is NOT shared by all combustion reactions?

Select the TRUE statement regarding vitamins.

Select the TRUE statement regarding vitamins.

Which ester has a line through the bond(s)that is broken during hydrolysis?

Matter, Energy, and Measurement

Atomic Structure and Radioisotopes

Ionic and Covalent Compounds

Molecular Geometry, Polarity, and Intermolecular

Chemical Quantities and Introduction to Reactions

Chemical Reactions: Energy, Rates, and Equilibrium

Changes of State and Gas Laws

Mixtures, Solution Concentrations, and Diffusion

Acids and Bases, Ph, and Buffers

Introduction to Organic Chemistry:

Alcohols, Phenols, Thiols, Ethers, and Amines

The Carbonyl Containing Functional Groups

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

FAD and NAD⁺ are examples of

The following reaction is an example of a(n)___________ reaction. CH₄ + 2O₂ → CO₂ + 2H₂O I.Oxidation-reduction II.Acid-base III.Combustion