Question 1

Which of the following is a metabolic precursor of prostaglandins & leukotrienes?

Accepted Answer

A)  vitamin A 
B)  arachidonic acid. 
C)  sphingomyelin. 
D)  cholesterol. 
A)  vitamin A 
B)  arachidonic acid. 
C)  sphingomyelin. 
D)  cholesterol.

Question 2

Multiple sclerosis is characterized by destruction of the myelin sheath.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following four fatty acids has the highest melting point?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 4

In the sodium-potassium pump

Accepted Answer

A)  sodium is transported out of the cell and potassium into the cell, both against concentration gradients 
B)  sodium is transported into the cell and potassium out of the cell, both against concentration gradients 
C)  sodium is transported out of the cell and potassium into the cell, both in the same direction as concentration gradients 
D)  sodium and potassium are both transported out of the cell against concentration gradients 
A)  sodium is transported out of the cell and potassium into the cell, both against concentration gradients 
B)  sodium is transported into the cell and potassium out of the cell, both against concentration gradients 
C)  sodium is transported out of the cell and potassium into the cell, both in the same direction as concentration gradients 
D)  sodium and potassium are both transported out of the cell against concentration gradients

Question 5

The association of membrane proteins with lipids in the membrane bilayer always involves

Accepted Answer

A)  electrostatic interactions 
B)  hydrophobic interactions 
C)  covalent linkages 
D)  all of the above 
A)  electrostatic interactions 
B)  hydrophobic interactions 
C)  covalent linkages 
D)  all of the above

Question 6

Saponification is the hydrolysis of a(n)

Accepted Answer

A)  peptide bond 
B)  ester bond 
C)  anhydride bond 
D)  glycosidic bond 
A)  peptide bond 
B)  ester bond 
C)  anhydride bond 
D)  glycosidic bond

Question 7

Which of the following groups is not present in sphingomyelin?

Accepted Answer

A)  Sphingosine 
B)  Fatty acid 
C)  Phosphate 
D)  Sugar 
A)  Sphingosine 
B)  Fatty acid 
C)  Phosphate 
D)  Sugar

Question 8

What distinguishes primary from secondary active transport?

Accepted Answer

A)  The requirement for protein. 
B)  The type of linkage to ATP hydrolysis 
C)  The number of kinds of molecules or ions transported 
D)  The relative direction of transport 
A)  The requirement for protein. 
B)  The type of linkage to ATP hydrolysis 
C)  The number of kinds of molecules or ions transported 
D)  The relative direction of transport

Question 9

Rickets is caused by a deficiency in

Accepted Answer

A) vitamin A. 
B) vitamin D. 
C) vitamin E. 
D) vitamin K. 
A) vitamin A. 
B) vitamin D. 
C) vitamin E. 
D) vitamin K.

Question 10

Membrane lipids in a lipid bilayer are held together by

Accepted Answer

A)  hydrophobic interactions 
B)  hydrogen bonds 
C)  electrostatic forces 
D)  covalent bonds 
A)  hydrophobic interactions 
B)  hydrogen bonds 
C)  electrostatic forces 
D)  covalent bonds

Which of the following is a metabolic precursor of prostaglandins & leukotrienes?

Multiple sclerosis is characterized by destruction of the myelin sheath.

Which of the following four fatty acids has the highest melting point?

In the sodium-potassium pump

The association of membrane proteins with lipids in the membrane bilayer always involves

Saponification is the hydrolysis of a(n)

Which of the following groups is not present in sphingomyelin?

What distinguishes primary from secondary active transport?

Rickets is caused by a deficiency in

Membrane lipids in a lipid bilayer are held together by

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

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

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 8: Lipids and Proteins Are Associated in Biological Membranes

Which of the following is a metabolic precursor of prostaglandins & leukotrienes?

Multiple sclerosis is characterized by destruction of the myelin sheath.

Which of the following four fatty acids has the highest melting point?

In the sodium-potassium pump

The association of membrane proteins with lipids in the membrane bilayer always involves

Saponification is the hydrolysis of a(n)

Which of the following groups is not present in sphingomyelin?

What distinguishes primary from secondary active transport?

Rickets is caused by a deficiency in

Membrane lipids in a lipid bilayer are held together by

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

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

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