Question 1

Matching 
Choose the correct answer from the list. Not all the answers will be used.
-NADPH used in lipid biosynthesis is produced by the ______ pathway.

Accepted Answer

A) fructose-1,6-bisphosphatase 
B) pentose phosphate 
C) pyruvate decarboxylase 
D) hypoglycemia 
E) phosphofructokinase
F)NADP+
G)thiamine pyrophosphate
H)ATP
I)galactosemia
J)NAD+
K)fluoride ion
L)pyruvate
M)glucogenic
N)FAD 
A) fructose-1,6-bisphosphatase 
B) pentose phosphate 
C) pyruvate decarboxylase 
D) hypoglycemia 
E) phosphofructokinase
F)NADP+
G)thiamine pyrophosphate
H)ATP
I)galactosemia
J)NAD+
K)fluoride ion
L)pyruvate
M)glucogenic
N)FAD

Question 2

Which is the net equation for aerobic glycolysis?

Accepted Answer

A) Glucose  + 2 ATP →  2 lactate  + 2 ADP  +  2 Pi 
B) Glucose  + 2 ADP + 2 Pi + 2 NAD+ → 2 pyruvate + 2 ATP + 2 NADH + + 2 H2O 4 H+ 
C) Glucose  + 2 ADP +  2 Pi →  2 lactate  +  4 ATP  +  4 H+ 
D) Glucose + 2 ATP  + 2 NAD+→  2 pyruvate + 4 ATP + 4 NADH + 4 H+ 
E) Glucose + 2 ADP + 2 Pi + 2 NAD+→  2 lactate + 4 ATP + 2 NADH + 4 H+ 
A) Glucose  + 2 ATP →  2 lactate  + 2 ADP  +  2 Pi 
B) Glucose  + 2 ADP + 2 Pi + 2 NAD+ → 2 pyruvate + 2 ATP + 2 NADH + + 2 H2O 4 H+ 
C) Glucose  + 2 ADP +  2 Pi →  2 lactate  +  4 ATP  +  4 H+ 
D) Glucose + 2 ATP  + 2 NAD+→  2 pyruvate + 4 ATP + 4 NADH + 4 H+ 
E) Glucose + 2 ADP + 2 Pi + 2 NAD+→  2 lactate + 4 ATP + 2 NADH + 4 H+

Question 3

Which of the following metabolic conversions is considered to be the major control point of glycolysis?

Accepted Answer

A)   fructose-1,6-bisphosphate → dihydroxyacetone phosphate  +  glyceraldehyde-3-phosphate 
B)   glucose  → glucose-6-phosphate 
C)   2-phosphoglyerate  →  phosphoenolpyruvate 
D)   fructose-6-phosphate  → fructose-1,6-bisphosphate 
E)   phosphoenolpyruvate  →  pyruvate 
A)   fructose-1,6-bisphosphate → dihydroxyacetone phosphate  +  glyceraldehyde-3-phosphate 
B)   glucose  → glucose-6-phosphate 
C)   2-phosphoglyerate  →  phosphoenolpyruvate 
D)   fructose-6-phosphate  → fructose-1,6-bisphosphate 
E)   phosphoenolpyruvate  →  pyruvate

Question 4

Which of the following best describes the control exhibited by phosphofructokinase (PFK)?

Accepted Answer

A) It is allosterically inhibited by ATP and citrate. 
B) It is allosterically activated by F2,6P. 
C) It is allosterically activated by ATP and citrate. 
D) Both A and B are correct. 
E) Both B and C are correct. 
A) It is allosterically inhibited by ATP and citrate. 
B) It is allosterically activated by F2,6P. 
C) It is allosterically activated by ATP and citrate. 
D) Both A and B are correct. 
E) Both B and C are correct.

Question 5

Matching 
Choose the correct answer from the list. Not all the answers will be used.
-______ is an inhibitor of enolase which was useful in elucidating the glycolytic pathway.

Accepted Answer

A) fructose-1,6-bisphosphatase 
B) pentose phosphate 
C) pyruvate decarboxylase 
D) hypoglycemia 
E) phosphofructokinase
F)NADP+
G)thiamine pyrophosphate
H)ATP
I)galactosemia
J)NAD+
K)fluoride ion
L)pyruvate
M)glucogenic
N)FAD 
A) fructose-1,6-bisphosphatase 
B) pentose phosphate 
C) pyruvate decarboxylase 
D) hypoglycemia 
E) phosphofructokinase
F)NADP+
G)thiamine pyrophosphate
H)ATP
I)galactosemia
J)NAD+
K)fluoride ion
L)pyruvate
M)glucogenic
N)FAD

Question 6

In skeletal muscle cells, oxidation of NADH generated from anaerobic glycolysis occurs during which of the following reactions?

Accepted Answer

A)   acetaldehyde  → ethanol 
B)   lactate  → pyruvate 
C)   phosphoenolpyruvate  → pyruvate 
D)   pyruvate  →lactate 
E)   glyceraldehyde-3-phosphate →1,3-bisphosphoglycerate 
A)   acetaldehyde  → ethanol 
B)   lactate  → pyruvate 
C)   phosphoenolpyruvate  → pyruvate 
D)   pyruvate  →lactate 
E)   glyceraldehyde-3-phosphate →1,3-bisphosphoglycerate

Question 7

Which of the following is correct regarding the hexose monophosphate shunt?
I.NADH is generated by the oxidation of glucose-6-phosphate.
II.Glyceraldehyde-3-phosphate is generated in the reaction.
III.The pathway requires a transaldolase.
IV.The pathway generates 3 ATP per 1 glucose-6-phosphate.

Accepted Answer

A) I, II, III 
B) I, II, III, IV 
C) II, III, IV 
D) II, III 
E) III, IV 
A) I, II, III 
B) I, II, III, IV 
C) II, III, IV 
D) II, III 
E) III, IV

Question 8

Matching 
Choose the correct answer from the list. Not all the answers will be used.
-A genetic deficiency of a single transferase enzyme required for sugar group exchange causes the medical condition known as _____ which results in failure to thrive, mental retardation, and potential liver damage.

Accepted Answer

A) fructose-1,6-bisphosphatase 
B) pentose phosphate 
C) pyruvate decarboxylase 
D) hypoglycemia 
E) phosphofructokinase
F)NADP+
G)thiamine pyrophosphate
H)ATP
I)galactosemia
J)NAD+
K)fluoride ion
L)pyruvate
M)glucogenic
N)FAD 
A) fructose-1,6-bisphosphatase 
B) pentose phosphate 
C) pyruvate decarboxylase 
D) hypoglycemia 
E) phosphofructokinase
F)NADP+
G)thiamine pyrophosphate
H)ATP
I)galactosemia
J)NAD+
K)fluoride ion
L)pyruvate
M)glucogenic
N)FAD

Question 9

Matching 
Choose the correct answer from the list. Not all the answers will be used.
-The enzyme ______ , which catalyzes the formation of acetyaldehyde and CO2 from pyruvate, is not present in animals.

Accepted Answer

A) fructose-1,6-bisphosphatase 
B) pentose phosphate 
C) pyruvate decarboxylase 
D) hypoglycemia 
E) phosphofructokinase
F)NADP+
G)thiamine pyrophosphate
H)ATP
I)galactosemia
J)NAD+
K)fluoride ion
L)pyruvate
M)glucogenic
N)FAD 
A) fructose-1,6-bisphosphatase 
B) pentose phosphate 
C) pyruvate decarboxylase 
D) hypoglycemia 
E) phosphofructokinase
F)NADP+
G)thiamine pyrophosphate
H)ATP
I)galactosemia
J)NAD+
K)fluoride ion
L)pyruvate
M)glucogenic
N)FAD

Question 10

The utilization of fructose in glycolysis in the liver

Accepted Answer

A) requires UDP-glucose. 
B) requires one extra ATP. 
C) uses GTP rather than ATP. 
D) bypasses phosphofructokinase (PFK)regulation. 
E) enters glycolysis as fructose bisphosphate (FBP). 
A) requires UDP-glucose. 
B) requires one extra ATP. 
C) uses GTP rather than ATP. 
D) bypasses phosphofructokinase (PFK)regulation. 
E) enters glycolysis as fructose bisphosphate (FBP).

Matching Choose the correct answer from the list. Not all the answers will be used. -NADPH used in lipid biosynthesis is produced by the ______ pathway.

Which is the net equation for aerobic glycolysis?

Which of the following metabolic conversions is considered to be the major control point of glycolysis?

Which of the following best describes the control exhibited by phosphofructokinase (PFK)?

Matching Choose the correct answer from the list. Not all the answers will be used. -______ is an inhibitor of enolase which was useful in elucidating the glycolytic pathway.

In skeletal muscle cells, oxidation of NADH generated from anaerobic glycolysis occurs during which of the following reactions?

Which of the following is correct regarding the hexose monophosphate shunt? I.NADH is generated by the oxidation of glucose-6-phosphate. II.Glyceraldehyde-3-phosphate is generated in the reaction. III.The pathway requires a transaldolase. IV.The pathway generates 3 ATP per 1 glucose-6-phosphate.

Matching Choose the correct answer from the list. Not all the answers will be used. -A genetic deficiency of a single transferase enzyme required for sugar group exchange causes the medical condition known as _____ which results in failure to thrive, mental retardation, and potential liver damage.

Matching Choose the correct answer from the list. Not all the answers will be used. -The enzyme ______ , which catalyzes the formation of acetyaldehyde and CO₂ from pyruvate, is not present in animals.

The utilization of fructose in glycolysis in the liver

Introduction to the Chemistry of Life

Water

Nucleotides, Nucleic Acids, and Genetic Information

Amino Acids

Proteins: Primary Structure

Proteins: Three-Dimensional Structure

Protein Function Part I: Myoglobin and Hemoglobin

Carbohydrates

Lipids and Biological Membranes

Membrane Transport

Enzyme Catalysis

Enzyme Kinetics, Inhibition and Control

Biochemical Signaling

Introduction to Metabolism

Glycogen Metabolism and Gluconeogenesis

Citric Acid Cycle

Electron Transport and Oxidative Phosphorylation

Photosynthesis

Lipid Metabolism

Amino Acid Metabolism

Mammalian Fuel Metabolism: Integration and Regulation

Nucleotide Metabolism

Nucleic Acid Structure

Dna Replication, Repair and Recombination

Transcription and Rna Processing

Translation

Regulation of Gene Expression

Filters

Exam 16: Glucose Catabolism

Matching Choose the correct answer from the list. Not all the answers will be used. -NADPH used in lipid biosynthesis is produced by the ______ pathway.

Which is the net equation for aerobic glycolysis?

Which of the following metabolic conversions is considered to be the major control point of glycolysis?

Which of the following best describes the control exhibited by phosphofructokinase (PFK)?

Matching Choose the correct answer from the list. Not all the answers will be used. -______ is an inhibitor of enolase which was useful in elucidating the glycolytic pathway.

In skeletal muscle cells, oxidation of NADH generated from anaerobic glycolysis occurs during which of the following reactions?

Which of the following is correct regarding the hexose monophosphate shunt? I.NADH is generated by the oxidation of glucose-6-phosphate. II.Glyceraldehyde-3-phosphate is generated in the reaction. III.The pathway requires a transaldolase. IV.The pathway generates 3 ATP per 1 glucose-6-phosphate.

Matching Choose the correct answer from the list. Not all the answers will be used. -A genetic deficiency of a single transferase enzyme required for sugar group exchange causes the medical condition known as _____ which results in failure to thrive, mental retardation, and potential liver damage.

Matching Choose the correct answer from the list. Not all the answers will be used. -The enzyme ______ , which catalyzes the formation of acetyaldehyde and CO2 from pyruvate, is not present in animals.

The utilization of fructose in glycolysis in the liver

Introduction to the Chemistry of Life

Water

Nucleotides, Nucleic Acids, and Genetic Information

Amino Acids

Proteins: Primary Structure

Proteins: Three-Dimensional Structure

Protein Function Part I: Myoglobin and Hemoglobin

Carbohydrates

Lipids and Biological Membranes

Membrane Transport

Enzyme Catalysis

Enzyme Kinetics, Inhibition and Control

Biochemical Signaling

Introduction to Metabolism

Glycogen Metabolism and Gluconeogenesis

Citric Acid Cycle

Electron Transport and Oxidative Phosphorylation

Photosynthesis

Lipid Metabolism

Amino Acid Metabolism

Mammalian Fuel Metabolism: Integration and Regulation

Nucleotide Metabolism

Nucleic Acid Structure

Dna Replication, Repair and Recombination

Transcription and Rna Processing

Translation

Regulation of Gene Expression

Filters

Matching Choose the correct answer from the list. Not all the answers will be used. -The enzyme ______ , which catalyzes the formation of acetyaldehyde and CO₂ from pyruvate, is not present in animals.