Question 1

The amino acid cysteine is important in adding a second phosphate to glyceraldehyde phosphate in the glyceraldehyde-3-phosphate dehydrogenase reaction.

Accepted Answer

A) True 
 B)False

Question 2

Fetal alcohol syndrome

Accepted Answer

A)  can be prevented by administering large doses of vitamin B1 to pregnant women 
B)  can be prevented by administering large doses of the vitamin niacin (nicotinic acid) to pregnant women 
C)  can be reversed by administering acetaldehyde 
D)  can be detected by measuring the level of acetaldehyde in the bloodstream of a pregnant woman 
A)  can be prevented by administering large doses of vitamin B1 to pregnant women 
B)  can be prevented by administering large doses of the vitamin niacin (nicotinic acid) to pregnant women 
C)  can be reversed by administering acetaldehyde 
D)  can be detected by measuring the level of acetaldehyde in the bloodstream of a pregnant woman

Question 3

The equilibrium for the formation of glyceraldehyde-3-phosphate from dihydroxyacetone phosphate is driven by

Accepted Answer

A)  the negative free energy change for the reaction. 
B)  having the product of the reaction continuously consumed. 
C)  coupling to ATP hydrolysis. 
D)  none of these 
A)  the negative free energy change for the reaction. 
B)  having the product of the reaction continuously consumed. 
C)  coupling to ATP hydrolysis. 
D)  none of these

Question 4

Which of the following is true about phosphofructokinase?

Accepted Answer

A)  It is a tetramer composed of different combinations of the M and L subunits 
B)  there are two isozymes, M4 and L4 
C)  there are a total of 6 isozyme types in the body 
D)  It is a dimer composed of M and L subunits 
E)  none of these 
A)  It is a tetramer composed of different combinations of the M and L subunits 
B)  there are two isozymes, M4 and L4 
C)  there are a total of 6 isozyme types in the body 
D)  It is a dimer composed of M and L subunits 
E)  none of these

Question 5

The step that commits the cell to metabolize glucose is catalyzed by

Accepted Answer

A)  hexokinase. 
B)  phosphoglucomutase. 
C)  aldolase. 
D)  phosphofructokinase. 
A)  hexokinase. 
B)  phosphoglucomutase. 
C)  aldolase. 
D)  phosphofructokinase.

Question 6

In the conversion of glyceraldehyde 3-phosphate to 1,3- bis phosphoglycerate

Accepted Answer

A)  an alcohol group is phosphorylated. 
B)  an alcohol is oxidized to an aldehyde. 
C)  an alcohol is oxidized to a carboxylic acid. 
D)  an aldehyde is oxidized to a carboxylic acid. 
A)  an alcohol group is phosphorylated. 
B)  an alcohol is oxidized to an aldehyde. 
C)  an alcohol is oxidized to a carboxylic acid. 
D)  an aldehyde is oxidized to a carboxylic acid.

Question 7

​ Ethanol is mixed with _____ when it is used as fuel in an internal combustion engine.

Accepted Answer

A)  biodiesel 
B)  gasoline 
C)  methanol 
D)  butanol 
A)  biodiesel 
B)  gasoline 
C)  methanol 
D)  butanol

Question 8

Which of the following enzymes catalyzes the cleavage of fructose bis phosphate into two 3-carbon units?

Accepted Answer

A)  Aldolase 
B)  Enolase 
C)  An isomerase 
D)  A mutase 
E)  None of these enzymes carries out that reaction. 
A)  Aldolase 
B)  Enolase 
C)  An isomerase 
D)  A mutase 
E)  None of these enzymes carries out that reaction.

Question 9

Which of the following enzymes of anaerobic metabolism is not tetrameric?

Accepted Answer

A)  Hexokinase 
B)  Phosphofructokinase 
C)  Pyruvate kinase 
D)  Lactate Dehydrogenase 
A)  Hexokinase 
B)  Phosphofructokinase 
C)  Pyruvate kinase 
D)  Lactate Dehydrogenase

Question 10

What is the name of the pictured glycolytic intermediate?

Accepted Answer

A)  1-phosphoglycerate 
B)  glyceraldehyde-3-phosphate 
C)  dihydroxyacetone phosphate 
D)  3-phosphoglycerate 
A)  1-phosphoglycerate 
B)  glyceraldehyde-3-phosphate 
C)  dihydroxyacetone phosphate 
D)  3-phosphoglycerate

Question 11

Alcohol dehydrogenase resembles lactate dehydrogenase in that it

Accepted Answer

A)  is nonallosteric. 
B)  is a dimer. 
C)  uses NAD+ as a coenzyme. 
D)  is not found in aerobic organisms. 
A)  is nonallosteric. 
B)  is a dimer. 
C)  uses NAD+ as a coenzyme. 
D)  is not found in aerobic organisms.

Question 12

The Δ G values for glycolytic reactions at physiological conditions may be exergonic, even though the Δ G ° ' at "standard" conditions, may be endergonic.

Accepted Answer

A) True 
 B)False

The amino acid cysteine is important in adding a second phosphate to glyceraldehyde phosphate in the glyceraldehyde-3-phosphate dehydrogenase reaction.

Fetal alcohol syndrome

The equilibrium for the formation of glyceraldehyde-3-phosphate from dihydroxyacetone phosphate is driven by

Which of the following is true about phosphofructokinase?

The step that commits the cell to metabolize glucose is catalyzed by

In the conversion of glyceraldehyde 3-phosphate to 1,3- bis phosphoglycerate

Ethanol is mixed with _____ when it is used as fuel in an internal combustion engine.

Which of the following enzymes catalyzes the cleavage of fructose bis phosphate into two 3-carbon units?

Which of the following enzymes of anaerobic metabolism is not tetrameric?

What is the name of the pictured glycolytic intermediate?

Alcohol dehydrogenase resembles lactate dehydrogenase in that it

The Δ G values for glycolytic reactions at physiological conditions may be exergonic, even though the Δ G ° ' at "standard" conditions, may be endergonic.

Biochemistry and the Organization of Cells

Water the Solvent for Biochemical Reactions

Amino Acids and Peptides

The Three Dimensional Structure of Proteins

Protein Purification and Characterization Techniques

The Behavior of Proteins Enzymes

The Behavior of Proteins Enzymes Mechanisms and Control

Lipids and Proteins Are Associated in Biological Membranes

Nucleic Acids How Structure Conveys Information

Biosynthesis of Nucleic Acids Replication

Transcription of the Genetic Code the Biosynthesis of Rna

Protein Synthesis Translation of the Genetic Message

Nucleic Acid Biotechnology Techniques

Viruses Cancer and Immunology

The Importance of Energy Changes and Electron Transfer in Metabolism

Carbohydrates

Storage Mechanisms and Control in Carbohydrate Metabolism

The Citric Acid Cycle

Electron Transport and Oxidative Phosphorylation

Lipid Metabolism

Photosynthesis

The Metabolism of Nitrogen

Integration of Metabolism Cellular Signaling

Filters

Exam 17: Glycolysis

The amino acid cysteine is important in adding a second phosphate to glyceraldehyde phosphate in the glyceraldehyde-3-phosphate dehydrogenase reaction.

Fetal alcohol syndrome

The equilibrium for the formation of glyceraldehyde-3-phosphate from dihydroxyacetone phosphate is driven by

Which of the following is true about phosphofructokinase?

The step that commits the cell to metabolize glucose is catalyzed by

In the conversion of glyceraldehyde 3-phosphate to 1,3- bis phosphoglycerate

​ Ethanol is mixed with _____ when it is used as fuel in an internal combustion engine.

Which of the following enzymes catalyzes the cleavage of fructose bis phosphate into two 3-carbon units?

Which of the following enzymes of anaerobic metabolism is not tetrameric?

What is the name of the pictured glycolytic intermediate?

Alcohol dehydrogenase resembles lactate dehydrogenase in that it

The Δ G values for glycolytic reactions at physiological conditions may be exergonic, even though the Δ G ° ' at "standard" conditions, may be endergonic.

Biochemistry and the Organization of Cells

Water the Solvent for Biochemical Reactions

Amino Acids and Peptides

The Three Dimensional Structure of Proteins

Protein Purification and Characterization Techniques

The Behavior of Proteins Enzymes

The Behavior of Proteins Enzymes Mechanisms and Control

Lipids and Proteins Are Associated in Biological Membranes

Nucleic Acids How Structure Conveys Information

Biosynthesis of Nucleic Acids Replication

Transcription of the Genetic Code the Biosynthesis of Rna

Protein Synthesis Translation of the Genetic Message

Nucleic Acid Biotechnology Techniques

Viruses Cancer and Immunology

The Importance of Energy Changes and Electron Transfer in Metabolism

Carbohydrates

Storage Mechanisms and Control in Carbohydrate Metabolism

The Citric Acid Cycle

Electron Transport and Oxidative Phosphorylation

Lipid Metabolism

Photosynthesis

The Metabolism of Nitrogen

Integration of Metabolism Cellular Signaling

Filters

Ethanol is mixed with _____ when it is used as fuel in an internal combustion engine.