Question 1

______________ reactions are the process of filling up a cycle with outside carbon compounds.

Accepted Answer

The answer of ______________ reactions are the process of filling...

Question 2

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-The product of the complete oxidation of carbon in the citric acid cycle is ____________.

Accepted Answer

A) cytosol 
B) isocitrate dehydrogenase 
C) anaplerotic 
D) harvest 
E) cis-aconitate
F)melonate
G)metabolon
H)oxaloacetate
I)inner membrane
J)citrate
K)carbon dioxide
L)glyoxylate cycle
M)malate dehydrogenase 
A) cytosol 
B) isocitrate dehydrogenase 
C) anaplerotic 
D) harvest 
E) cis-aconitate
F)melonate
G)metabolon
H)oxaloacetate
I)inner membrane
J)citrate
K)carbon dioxide
L)glyoxylate cycle
M)malate dehydrogenase

Question 3

Why is the isomerization of citrate to isocitrate a necessary step of the citric acid cycle?

Accepted Answer

Citrate is a tertiary alcohol

Question 4

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-____________: The product found by the condensation of oxaloacetate and acetyl CoA.

Accepted Answer

A) cytosol 
B) isocitrate dehydrogenase 
C) anaplerotic 
D) harvest 
E) cis-aconitate
F)melonate
G)metabolon
H)oxaloacetate
I)inner membrane
J)citrate
K)carbon dioxide
L)glyoxylate cycle
M)malate dehydrogenase 
A) cytosol 
B) isocitrate dehydrogenase 
C) anaplerotic 
D) harvest 
E) cis-aconitate
F)melonate
G)metabolon
H)oxaloacetate
I)inner membrane
J)citrate
K)carbon dioxide
L)glyoxylate cycle
M)malate dehydrogenase

Question 5

Are the acetyl carbons that enter the citric acid cycle the exact same carbons that leave as CO2? Briefly explain.

Accepted Answer

No, the carbons are different. The carbo

Question 6

The glyoxylate cycle enables plants to survive using only:

Accepted Answer

A)  pyruvate. 
B)  acetate. 
C)  oxaloacetate. 
D)  All of the above. 
E)  None of the above. 
A)  pyruvate. 
B)  acetate. 
C)  oxaloacetate. 
D)  All of the above. 
E)  None of the above.

Question 7

_______________ is a citric acid cycle enzyme that is also an example of an iron-sulfur protein.

Accepted Answer

Aconitase

Question 8

A mutation in the active site of succinyl CoA synthetase where His is converted to a lysine would result in which?

Accepted Answer

A)  increased stable folding 
B)  the loss of a succinyl phosphate intermediate 
C)  the loss of a positive-charged amino acid necessary for catalysis 
D)  All of the above 
E)  None of the above 
A)  increased stable folding 
B)  the loss of a succinyl phosphate intermediate 
C)  the loss of a positive-charged amino acid necessary for catalysis 
D)  All of the above 
E)  None of the above

Question 9

Organisms that can convert fat into sugar use the _______________ cycle .

Accepted Answer

The answer of Organisms that can convert fat into sugar...

Question 10

How many ATP equivalents are produced from the total oxidation of 1 pyruvate to 3 CO2?

Accepted Answer

The total oxidation of 1 pyruvate by pyr

Question 11

In which reaction is ATP directly formed in the citric acid cycle?

Accepted Answer

A)  conversion of succinyl CoA to succinate 
B)  decarboxylation of ɑ-ketoglutarate 
C)  conversion of isocitrate to ɑ-ketoglutarate 
D)  All of the above. 
E)  None of the above. 
A)  conversion of succinyl CoA to succinate 
B)  decarboxylation of ɑ-ketoglutarate 
C)  conversion of isocitrate to ɑ-ketoglutarate 
D)  All of the above. 
E)  None of the above.

Question 12

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-Succinate dehydrogenase is located in the ____________.

Accepted Answer

A) cytosol 
B) isocitrate dehydrogenase 
C) anaplerotic 
D) harvest 
E) cis-aconitate
F)melonate
G)metabolon
H)oxaloacetate
I)inner membrane
J)citrate
K)carbon dioxide
L)glyoxylate cycle
M)malate dehydrogenase 
A) cytosol 
B) isocitrate dehydrogenase 
C) anaplerotic 
D) harvest 
E) cis-aconitate
F)melonate
G)metabolon
H)oxaloacetate
I)inner membrane
J)citrate
K)carbon dioxide
L)glyoxylate cycle
M)malate dehydrogenase

Question 13

In muscle, the enzyme used to catalyze a substrate-level phosphorylation is:

Accepted Answer

A)  nucleoside triphosphate transferase. 
B)  protein kinase C. 
C)  GTP kinase. 
D)  succinyl CoA synthetase. 
E)  ATP-GTP transferase. 
A)  nucleoside triphosphate transferase. 
B)  protein kinase C. 
C)  GTP kinase. 
D)  succinyl CoA synthetase. 
E)  ATP-GTP transferase.

Question 14

Formation of citrate from acetyl CoA and oxaloacetate is a(n) _________ reaction.

Accepted Answer

A)  oxidation 
B)  reduction 
C)  condensation 
D)  ligation 
E)  None of the above. 
A)  oxidation 
B)  reduction 
C)  condensation 
D)  ligation 
E)  None of the above.

Question 15

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-The intermediate between citrate and isocitrate is ____________.

Accepted Answer

A) cytosol 
B) isocitrate dehydrogenase 
C) anaplerotic 
D) harvest 
E) cis-aconitate
F)melonate
G)metabolon
H)oxaloacetate
I)inner membrane
J)citrate
K)carbon dioxide
L)glyoxylate cycle
M)malate dehydrogenase 
A) cytosol 
B) isocitrate dehydrogenase 
C) anaplerotic 
D) harvest 
E) cis-aconitate
F)melonate
G)metabolon
H)oxaloacetate
I)inner membrane
J)citrate
K)carbon dioxide
L)glyoxylate cycle
M)malate dehydrogenase

Question 16

In the citric acid cycle, the _______________ is produced by a substrate-level phosphorylation.

Accepted Answer

The answer of In the citric acid cycle, the _______________...

Question 17

Carbons from carbohydrates enter the citric acid cycle in the form of _______________.

Accepted Answer

The answer of Carbons from carbohydrates enter the citric acid...

Question 18

How does the decarboxylation of ɑ-ketoglutatarate resemble that of pyruvate decarboxylation?

Accepted Answer

Both are ɑ-ketoacids, which are decarbox

Question 19

Use the following to answer questions
Choose the correct answer from the list below. Not all of the answers will be used.
-____________ is the primary control point of the citric acid cycle.

Accepted Answer

A) cytosol 
B) isocitrate dehydrogenase 
C) anaplerotic 
D) harvest 
E) cis-aconitate
F)melonate
G)metabolon
H)oxaloacetate
I)inner membrane
J)citrate
K)carbon dioxide
L)glyoxylate cycle
M)malate dehydrogenase 
A) cytosol 
B) isocitrate dehydrogenase 
C) anaplerotic 
D) harvest 
E) cis-aconitate
F)melonate
G)metabolon
H)oxaloacetate
I)inner membrane
J)citrate
K)carbon dioxide
L)glyoxylate cycle
M)malate dehydrogenase

Question 20

Approximately how many ATP or GTP equivalents are produced during one turn of the citric acid cycle?

Accepted Answer

A)  10 
B)  6 
C)  9 
D)  12 
E)  None of the above. 
A)  10 
B)  6 
C)  9 
D)  12 
E)  None of the above.

Exam 19: Harvesting Electrons From the Cycle

______________ reactions are the process of filling up a cycle with outside carbon compounds.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -The product of the complete oxidation of carbon in the citric acid cycle is ____________.

Why is the isomerization of citrate to isocitrate a necessary step of the citric acid cycle?

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -____________: The product found by the condensation of oxaloacetate and acetyl CoA.

Are the acetyl carbons that enter the citric acid cycle the exact same carbons that leave as CO2? Briefly explain.

The glyoxylate cycle enables plants to survive using only:

_______________ is a citric acid cycle enzyme that is also an example of an iron-sulfur protein.

A mutation in the active site of succinyl CoA synthetase where His is converted to a lysine would result in which?

Organisms that can convert fat into sugar use the _______________ cycle .

How many ATP equivalents are produced from the total oxidation of 1 pyruvate to 3 CO2?

In which reaction is ATP directly formed in the citric acid cycle?

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -Succinate dehydrogenase is located in the ____________.

In muscle, the enzyme used to catalyze a substrate-level phosphorylation is:

Formation of citrate from acetyl CoA and oxaloacetate is a(n) _________ reaction.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -The intermediate between citrate and isocitrate is ____________.

In the citric acid cycle, the _______________ is produced by a substrate-level phosphorylation.

Carbons from carbohydrates enter the citric acid cycle in the form of _______________.

How does the decarboxylation of ɑ-ketoglutatarate resemble that of pyruvate decarboxylation?

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -____________ is the primary control point of the citric acid cycle.

Approximately how many ATP or GTP equivalents are produced during one turn of the citric acid cycle?

Biochemistry and the Unity of Life

Water, Weak Bonds, and the Generation of Order Out of Chaos

Amino Acids

Protein Three-Dimensional Structure

Techniques in Protein Biochemistry

Basic Concepts of Enzyme Action

Kinetics and Regulation

Mechanisms and Inhibitors

Hemoglobin: an Allosteric Protein

Carbohydrates

Lipids

Membrane Structure and Function

Signal Transduction Pathways

Digestion: Turning a Meal Into Cellular Biochemicals

Metabolism: Basic Concepts and Design

Glycolysis

Gluconeogenesis

Preparation for the Cycle

The Electron Transport Chain

The Proton-Motive Force

The Light Reactions

The Calvin Cycle

Glycogen Degradation

Glycogen Synthesis

The Pentose Phosphate Pathway

Fatty Acid Degredation

Fatty Acid Synthesis

Lipid Synthesis

Amino Acid Degradation and the Urea Cycle

Amino Acids Synthesis

Nucleotide Metabolism

The Structure of Informational Macromolecules: Dna and Rna

DNA Replication

DNA Repair and Recombination

RNA Synthesis and Regulation in Prokaryotes

Gene Expression in Eukaryotes

RNA Processing in Eukaryotes

The Genetic Code

The Mechanism of Protein Synthesis

Recombinant Dna Techniques

Filters