Question 1

Anaerobic metabolism can occur in all these organisms or cells, except:

Accepted Answer

A)  Yeast 
B)  Red blood cells 
C)  Muscle tissue that is working very fast 
D)  Lactobacillus in milk 
E)  Anaerobic metabolism can occur in all of these. 
A)  Yeast 
B)  Red blood cells 
C)  Muscle tissue that is working very fast 
D)  Lactobacillus in milk 
E)  Anaerobic metabolism can occur in all of these.

Question 2

Which of the following exercise(s) allosteric control in the reaction of phosphofructokinase?

Accepted Answer

A)  ATP 
B)  fructose 2,6-bisphosphate 
C)  both of these 
D)  neither of these 
A)  ATP 
B)  fructose 2,6-bisphosphate 
C)  both of these 
D)  neither of these

Question 3

Which of the following is not true?

Accepted Answer

A)  Multiple isozymes of lactate dehydrogenase are used as clinical means for diagnosing heart attacks. 
B)  Two enzymes involved in anaerobic glycolysis are found as isozymes with 5 different forms 
C)  The M4 version of lactate dehydrogenase predominates in heart tissue 
D)  After a myocardial infarction, the blood serum levels of MH3 and H4 isozymes increase 
A)  Multiple isozymes of lactate dehydrogenase are used as clinical means for diagnosing heart attacks. 
B)  Two enzymes involved in anaerobic glycolysis are found as isozymes with 5 different forms 
C)  The M4 version of lactate dehydrogenase predominates in heart tissue 
D)  After a myocardial infarction, the blood serum levels of MH3 and H4 isozymes increase

Question 4

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 5

If glycolysis did not lead to the production of ATP, the overall process would

Accepted Answer

A)  release less energy 
B)  release more energy 
C)  absorb energy 
D)  not take place in aerobic organisms 
A)  release less energy 
B)  release more energy 
C)  absorb energy 
D)  not take place in aerobic organisms

Question 6

In aerobic metabolism, what is the fate of pyruvate produced by glycolysis?

Accepted Answer

A)  Pyruvate loses carbon dioxide, and the remaining two carbon atoms become linked to coenzyme A. 
B)  Pyruvate loses carbon dioxide, producing acetaldehyde, which, in turn, is reduced to ethanol. 
C)  Pyruvate is reduced to lactate. 
D)  None of these 
A)  Pyruvate loses carbon dioxide, and the remaining two carbon atoms become linked to coenzyme A. 
B)  Pyruvate loses carbon dioxide, producing acetaldehyde, which, in turn, is reduced to ethanol. 
C)  Pyruvate is reduced to lactate. 
D)  None of these

Question 7

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.

Anaerobic metabolism can occur in all these organisms or cells, except:

Which of the following exercise(s) allosteric control in the reaction of phosphofructokinase?

Which of the following is not true?

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

If glycolysis did not lead to the production of ATP, the overall process would

In aerobic metabolism, what is the fate of pyruvate produced by glycolysis?

Alcohol dehydrogenase resembles lactate dehydrogenase in that it

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: 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

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Exam 17: Glycolysis

Anaerobic metabolism can occur in all these organisms or cells, except:

Which of the following exercise(s) allosteric control in the reaction of phosphofructokinase?

Which of the following is not true?

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

If glycolysis did not lead to the production of ATP, the overall process would

In aerobic metabolism, what is the fate of pyruvate produced by glycolysis?

Alcohol dehydrogenase resembles lactate dehydrogenase in that it

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: 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