Question 1

Incorrect protein folding resulting in exposure of hydrophobic regions can result in

Accepted Answer

A)  aggregation. 
B)  homology. 
C)  liposomes. 
D)  the Bohr effect. 
A)  aggregation. 
B)  homology. 
C)  liposomes. 
D)  the Bohr effect.

Question 2

Covalent bonds are important in all these structures, except:

Accepted Answer

A)  primary structure 
B)  secondary structure 
C)  tertiary structure 
D)  quaternary structure 
E)  All of these 
A)  primary structure 
B)  secondary structure 
C)  tertiary structure 
D)  quaternary structure 
E)  All of these

Question 3

The affinity of fetal hemoglobin for oxygen

Accepted Answer

A)  has not been studied 
B)  is the same as that of adult hemoglobin 
C)  is lower than that of maternal hemoglobin 
D)  is higher than that of maternal hemoglobin 
A)  has not been studied 
B)  is the same as that of adult hemoglobin 
C)  is lower than that of maternal hemoglobin 
D)  is higher than that of maternal hemoglobin

Question 4

The location of prosthetic groups is shown in this level of structure:

Accepted Answer

A)  primary structure 
B)  secondary structure 
C)  tertiary structure 
D)  quaternary structure 
E)  All of these 
A)  primary structure 
B)  secondary structure 
C)  tertiary structure 
D)  quaternary structure 
E)  All of these

Question 5

Vitamin C (ascorbic acid) prevents scurvy because

Accepted Answer

A)  it is involved in the formation of the proper β -sheet structure of collagen. 
B)  it is involved in the metabolism of heme used in hemoglobin. 
C)  it encourages the formation of disulfide linkages in collagen. 
D)  it is an unusual amino acid found in the primary structure of collagen. 
E)  it is used to hydroxylate prolines in the primary structure of collagen. 
A)  it is involved in the formation of the proper β -sheet structure of collagen. 
B)  it is involved in the metabolism of heme used in hemoglobin. 
C)  it encourages the formation of disulfide linkages in collagen. 
D)  it is an unusual amino acid found in the primary structure of collagen. 
E)  it is used to hydroxylate prolines in the primary structure of collagen.

Question 6

Hydroxyurea works as a treatment for sickle cell anemia because it

Accepted Answer

A)  causes myoglobin to act like hemoglobin 
B)  causes the body to produce fetal hemoglobin 
C)  causes hemoglobin to dissociate into monomers, thereby quadrupline the effective concentration of oxygen carrying molecules 
D)  none of the choices 
A)  causes myoglobin to act like hemoglobin 
B)  causes the body to produce fetal hemoglobin 
C)  causes hemoglobin to dissociate into monomers, thereby quadrupline the effective concentration of oxygen carrying molecules 
D)  none of the choices

Question 7

Which of the following is true about sickle cell hemoglobin?

Accepted Answer

A)  it has a single amino acid substitution in the beta chain 
B)  it causes a disease that is always fatal 
C)  it is found as a monomer instead of a tetramer in red blood cells 
D)  it has a leucine at a position where normal hemoglobin has an isoleucine 
E)  none of the choices 
A)  it has a single amino acid substitution in the beta chain 
B)  it causes a disease that is always fatal 
C)  it is found as a monomer instead of a tetramer in red blood cells 
D)  it has a leucine at a position where normal hemoglobin has an isoleucine 
E)  none of the choices

Incorrect protein folding resulting in exposure of hydrophobic regions can result in

Covalent bonds are important in all these structures, except:

The affinity of fetal hemoglobin for oxygen

The location of prosthetic groups is shown in this level of structure:

Vitamin C (ascorbic acid) prevents scurvy because

Hydroxyurea works as a treatment for sickle cell anemia because it

Which of the following is true about sickle cell hemoglobin?

Biochemistry and the Organization of Cells

Water the Solvent for Biochemical Reactions

Amino Acids and Peptides

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

Glycolysis

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 4: The Three Dimensional Structure of Proteins

Incorrect protein folding resulting in exposure of hydrophobic regions can result in

Covalent bonds are important in all these structures, except:

The affinity of fetal hemoglobin for oxygen

The location of prosthetic groups is shown in this level of structure:

Vitamin C (ascorbic acid) prevents scurvy because

Hydroxyurea works as a treatment for sickle cell anemia because it

Which of the following is true about sickle cell hemoglobin?

Biochemistry and the Organization of Cells

Water the Solvent for Biochemical Reactions

Amino Acids and Peptides

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

Glycolysis

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