Question 1

_______________ are multiple forms of homologous enzymes within the same organism that catalyze the same reaction but with different kinetic properties.

Accepted Answer

Isozymes o

Question 2

How is the clotting cascade initiated?

Accepted Answer

Both intrinsic (damaged surfac

Question 3

Protein kinases add phosphoryl groups to serine, threonine, and _________________ residues in target proteins.

Accepted Answer

The answer of Protein kinases add phosphoryl groups to serine,...

Question 4

One type of hemophilia is due to

Accepted Answer

A)  vitamin K deficiency. 
B)  loss of the gene for prothrombin. 
C)  loss of the gene for antihemophilic factor. 
D)  All of the answers are correct. 
E)  None of the answers is correct. 
A)  vitamin K deficiency. 
B)  loss of the gene for prothrombin. 
C)  loss of the gene for antihemophilic factor. 
D)  All of the answers are correct. 
E)  None of the answers is correct.

Question 5

What is the final step in the clotting pathway?

Accepted Answer

In the final step, fibrinogen, which con

Question 6

What term describes multiple forms of homologous enzymes found within an organism?

Accepted Answer

A)  zymogens 
B)  holoenzymes 
C)  isoenzymes 
D)  consensus enzymes 
E)  None of the answers is correct. 
A)  zymogens 
B)  holoenzymes 
C)  isoenzymes 
D)  consensus enzymes 
E)  None of the answers is correct.

Question 7

Multifunctional protein kinases

Accepted Answer

A)  carry out phosphorylation as well as sulfation reactions. 
B)  can modify several different targets. 
C)  conserve energy in the form of ATP from the degradation of proteins. 
D)  All of the answers are correct. 
E)  None of the answers is correct. 
A)  carry out phosphorylation as well as sulfation reactions. 
B)  can modify several different targets. 
C)  conserve energy in the form of ATP from the degradation of proteins. 
D)  All of the answers are correct. 
E)  None of the answers is correct.

Question 8

What is (are) the most common strategy(ies) for enzymatic regulation?

Accepted Answer

A)  multiple enzyme forms 
B)  allosteric control 
C)  reversible covalent modification 
D)  proteolytic activation 
E)  All of the answers are correct. 
A)  multiple enzyme forms 
B)  allosteric control 
C)  reversible covalent modification 
D)  proteolytic activation 
E)  All of the answers are correct.

Question 9

What shape is seen in the kinetic plot of an enzyme that exhibits cooperative binding?

Accepted Answer

A)  sigmoidal 
B)  hyperbolic 
C)  parabolic 
D)  linear 
E)  None of the answers is correct. 
A)  sigmoidal 
B)  hyperbolic 
C)  parabolic 
D)  linear 
E)  None of the answers is correct.

Question 10

What molecule is required for the proper production of prothrombin?

Accepted Answer

A)  factor Xa 
B)  factor Va 
C)  tissue factor 
D)  fibrin 
E)  vitamin K 
A)  factor Xa 
B)  factor Va 
C)  tissue factor 
D)  fibrin 
E)  vitamin K

Exam 10: Regulatory Strategies

_______________ are multiple forms of homologous enzymes within the same organism that catalyze the same reaction but with different kinetic properties.

How is the clotting cascade initiated?

Protein kinases add phosphoryl groups to serine, threonine, and _________________ residues in target proteins.

One type of hemophilia is due to

What is the final step in the clotting pathway?

What term describes multiple forms of homologous enzymes found within an organism?

Multifunctional protein kinases

What is (are) the most common strategy(ies) for enzymatic regulation?

What shape is seen in the kinetic plot of an enzyme that exhibits cooperative binding?

What molecule is required for the proper production of prothrombin?

Biochemistry: an Evolving Science

Protein Composition and Structure

Exploring Proteins and Proteomes

DNA, RNA, and the Flow of Genetic Information

Exploring Genes and Genomes

Exploring Evolution and Bioinformatics

Hemoglobin: a Portrait of a Protein in Action

Enzymes: Basic Concepts and Kinetics

Oxidative Phosphorylation

Catalytic Strategies

Carbohydrates

Lipids and Cell Membranes

Membrane Channels and Pumps

Signal-Transduction Pathways

Metabolism: Basic Concepts and Design

Glycolysis and Gluconeogenesis

The Citric Acid Cycle

The Light Reactions of Photosynthesis

The Calvin Cycle and the Pentose Phosphate Pathway

Glycogen Metabolism

Fatty Acid Metabolism

Protein Turnover and Amino Acid Catabolism

The Biosynthesis of Amino Acids

Nucleotide Biosynthesis

Biosynthesis of Membrane Lipids and Steroids

The Integration of Metabolism

DNA Replication, Repair, and Recombination

Rna Synthesis and Processing

Protein Synthesis

The Control of Gene Expression in Prokaryotes

The Control of Gene Expression in Eukaryotes

Sensory Systems

The Immune System

Molecular Motors

Drug Development

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