Question 1

Which of the following redox coenzymes is primarily a reactant in reduction reactions?

Accepted Answer

A)   NAD+
B)   FAD
C)   NADP+
D)   NADPH D

Question 2

Which of the relationships correctly portrays the metabolic role of the given coenzyme?

Accepted Answer

A)   FAD/FADH2, accepts H, oxidation
B)   NADP+/NADPH, supplies H, reduction
C)   NAD+/NADH, accepts H, oxidation
D)   All are correct portrayals. D

Question 3

Which of the following describes the products formed by the dehydration of 2,2,4,4-tetramethyl-3-pentanol?

Accepted Answer

A)   2,2,4,4-tetramethyl-2-pentene is the only product
B)   2,2,4,4-tetramethyl-3-pentene is the only product
C)   2,2,4,4-tetramethyl-4-pentene is the only product
D)   There is no product, since 2,2,4,4-tetramethyl-3-pentanol does not undergo dehydration. D

Question 4

During strenuous exercise, the ketone group of the pyruvate ion (See structure below.) is reduced to form lactate ion. This reaction is catalyzed by lactate dehydrogenase and accompanied by NADH and H+. The reactants are:  What are the products of the reaction?

Accepted Answer

A)   +. The reactants are:   What are the products of the reaction? 
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Question 5

Secondary alcohols have two carbon atoms bonded to the carbon atom shown below in bolded font. C-OH

Accepted Answer

A) True 
 B)False

Question 6

The following is a summary of the steps found in the metabolic pathway known as the Citric Acid Cycle. Step 1:  Step 2:  Step 3:  Step 4:  Step 5:  Step 6:  Step 7:  Step 8:  Fill in the blanks in the following question with the appropriate term from the list below. oxaloacetate oxidation
citrate reduction
isocitrate consumes
a-ketoglutarate produces
succinyl-CoA NADH
succinate FAD
fumarate NADPH
malate
-Step 7 converts -CH-OH to -C=O. This reaction _____________________ energy.

Accepted Answer

The answer of The following is a summary of the...

Question 7

The metabolism of glucose occurs in a single step while that of fatty acids occurs in a series of step.

Accepted Answer

A) True 
 B)False

Question 8

The common name for propanone is acetone.

Accepted Answer

A) True 
 B)False

Question 9

What is the correct order of water solubility for the following compounds?

Accepted Answer

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

Question 10

The following is a summary of the steps found in the metabolic pathway known as the Citric Acid Cycle. Step 1:  Step 2:  Step 3:  Step 4:  Step 5:  Step 6:  Step 7:  Step 8:  Fill in the blanks in the following question with the appropriate term from the list below. oxaloacetate oxidation
citrate reduction
isocitrate consumes
a-ketoglutarate produces
succinyl-CoA NADH
succinate FAD
fumarate NADPH
malate
-The following reaction shows the structures of the species involved in Step 8.  This step would also involve the coenzyme _________________ as a product.

Accepted Answer

The answer of The following is a summary of the...

Question 11

The product of the oxidation of the following compound would be an aldehyde.

Accepted Answer

A) True 
 B)False

Question 12

The structure of 2-hexanone is:

Accepted Answer

A) True 
 B)False

Question 13

The following reaction is an oxidation.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is a secondary alcohol?

Accepted Answer

A)   
B)   
C)   
D)

Question 15

The -OH groups in

Accepted Answer

A)   are both primary.
B)   are both secondary.
C)   are both tertiary.
D)   one is primary and one is secondary.
E)   one is primary and one is tertiary.

Question 16

If 2-hexanol underwent dehydration followed by dehydrogenation, the final product would be:

Accepted Answer

A)   1-hexene
B)   2-hexene
C)   hexane
D)   A mixture of 1-hexene and 2-hexene.

Question 17

Consider the structures given below.  Fill in the blanks with the appropriate letter (A, B, C, D, E, F).
-Structure_______________ could be oxidized to structure ____________________.

Accepted Answer

The answer of Consider the structures given below.  Fill...

Question 18

What compound should be used to produce the following compound by oxidation?

Accepted Answer

A)   
B)   
C)   
D)   This compound cannot be produced by oxidation.

Question 19

Which of the following types of organic compounds contains a carbonyl group?

Accepted Answer

A)   aldehyde
B)   ketone
C)   carboxylic acid
D)   All contain a carbonyl group.

Question 20

Consider the following biochemical reaction.  To complete the reaction, which redox coenzymes should be used to replace the question marks, respectively?

Accepted Answer

A)   FAD, FADH2
B)   NAD+, NADH
C)   NADP+, NADPH
D)   Any of the above could be used.

Exam 11: Carbonyl Compounds and Redox Reactions

Which of the following redox coenzymes is primarily a reactant in reduction reactions?

Which of the relationships correctly portrays the metabolic role of the given coenzyme?

Which of the following describes the products formed by the dehydration of 2,2,4,4-tetramethyl-3-pentanol?

During strenuous exercise, the ketone group of the pyruvate ion (See structure below.) is reduced to form lactate ion. This reaction is catalyzed by lactate dehydrogenase and accompanied by NADH and H⁺. The reactants are: What are the products of the reaction?

Secondary alcohols have two carbon atoms bonded to the carbon atom shown below in bolded font. C-OH

The metabolism of glucose occurs in a single step while that of fatty acids occurs in a series of step.

The common name for propanone is acetone.

What is the correct order of water solubility for the following compounds?

The product of the oxidation of the following compound would be an aldehyde.

The structure of 2-hexanone is:

The following reaction is an oxidation.

Which of the following is a secondary alcohol?

The -OH groups in

If 2-hexanol underwent dehydration followed by dehydrogenation, the final product would be:

Consider the structures given below. Fill in the blanks with the appropriate letter (A, B, C, D, E, F). -Structure_ could be oxidized to structure ______.

What compound should be used to produce the following compound by oxidation?

Which of the following types of organic compounds contains a carbonyl group?

Consider the following biochemical reaction. To complete the reaction, which redox coenzymes should be used to replace the question marks, respectively?

Exam 11: Carbonyl Compounds and Redox Reactions

Which of the following redox coenzymes is primarily a reactant in reduction reactions?

Which of the relationships correctly portrays the metabolic role of the given coenzyme?

Which of the following describes the products formed by the dehydration of 2,2,4,4-tetramethyl-3-pentanol?

During strenuous exercise, the ketone group of the pyruvate ion (See structure below.) is reduced to form lactate ion. This reaction is catalyzed by lactate dehydrogenase and accompanied by NADH and H+. The reactants are: What are the products of the reaction?

Secondary alcohols have two carbon atoms bonded to the carbon atom shown below in bolded font. C-OH

The metabolism of glucose occurs in a single step while that of fatty acids occurs in a series of step.

The common name for propanone is acetone.

What is the correct order of water solubility for the following compounds?

The product of the oxidation of the following compound would be an aldehyde.

The structure of 2-hexanone is:

The following reaction is an oxidation.

Which of the following is a secondary alcohol?

The -OH groups in

If 2-hexanol underwent dehydration followed by dehydrogenation, the final product would be:

Consider the structures given below. Fill in the blanks with the appropriate letter (A, B, C, D, E, F). -Structure_______________ could be oxidized to structure ____________________.

What compound should be used to produce the following compound by oxidation?

Which of the following types of organic compounds contains a carbonyl group?

Consider the following biochemical reaction. To complete the reaction, which redox coenzymes should be used to replace the question marks, respectively?

During strenuous exercise, the ketone group of the pyruvate ion (See structure below.) is reduced to form lactate ion. This reaction is catalyzed by lactate dehydrogenase and accompanied by NADH and H⁺. The reactants are: What are the products of the reaction?

Consider the structures given below. Fill in the blanks with the appropriate letter (A, B, C, D, E, F). -Structure_ could be oxidized to structure ______.